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6413280 = 253531431
BaseRepresentation
bin11000011101101111100000
3110001211100220
4120131233200
53120211110
6345243040
7105340416
oct30355740
913054326
106413280
113690435
122193480
131437153
14bcd2b6
1586a370
hex61dbe0

6413280 has 96 divisors (see below), whose sum is σ = 20901888. Its totient is φ = 1651200.

The previous prime is 6413273. The next prime is 6413287. The reversal of 6413280 is 823146.

It is a happy number.

6413280 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6413273) and next prime (6413287).

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×64132802 = 82260320716800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 6413280.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6413287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14665 + ... + 15095.

It is an arithmetic number, because the mean of its divisors is an integer number (217728).

Almost surely, 26413280 is an apocalyptic number.

6413280 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6413280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10450944).

6413280 is an abundant number, since it is smaller than the sum of its proper divisors (14488608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6413280 is a wasteful number, since it uses less digits than its factorization.

6413280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 6413280 is about 2532.4454584453. The cubic root of 6413280 is about 185.7918819159.

The spelling of 6413280 in words is "six million, four hundred thirteen thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 31 32 40 48 60 62 80 93 96 120 124 155 160 186 240 248 310 372 431 465 480 496 620 744 862 930 992 1240 1293 1488 1724 1860 2155 2480 2586 2976 3448 3720 4310 4960 5172 6465 6896 7440 8620 10344 12930 13361 13792 14880 17240 20688 25860 26722 34480 40083 41376 51720 53444 66805 68960 80166 103440 106888 133610 160332 200415 206880 213776 267220 320664 400830 427552 534440 641328 801660 1068880 1282656 1603320 2137760 3206640 6413280