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2612480 = 28513157
BaseRepresentation
bin1001111101110100000000
311220201122112
421331310000
51132044410
6131554452
731130363
oct11756400
94821575
102612480
111524882
12a5ba28
13706160
144c00da
15369105
hex27dd00

2612480 has 72 divisors (see below), whose sum is σ = 6781992. Its totient is φ = 958464.

The previous prime is 2612471. The next prime is 2612483. The reversal of 2612480 is 842162.

It can be written as a sum of positive squares in 4 ways, for example, as 1024 + 2611456 = 32^2 + 1616^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2612483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16562 + ... + 16718.

22612480 is an apocalyptic number.

2612480 is a gapful number since it is divisible by the number (20) 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 2612480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3390996).

2612480 is an abundant number, since it is smaller than the sum of its proper divisors (4169512).

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

2612480 is a wasteful number, since it uses less digits than its factorization.

2612480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 2612480 is about 1616.3168006304. The cubic root of 2612480 is about 137.7265466442.

The spelling of 2612480 in words is "two million, six hundred twelve thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 104 128 130 157 160 208 256 260 314 320 416 520 628 640 785 832 1040 1256 1280 1570 1664 2041 2080 2512 3140 3328 4082 4160 5024 6280 8164 8320 10048 10205 12560 16328 16640 20096 20410 25120 32656 40192 40820 50240 65312 81640 100480 130624 163280 200960 261248 326560 522496 653120 1306240 2612480