Search a number
-
+
6247040 = 27543227
BaseRepresentation
bin10111110101001010000000
3102202101022212
4113311022000
53044401130
6341521252
7104045642
oct27651200
912671285
106247040
113587548
122113228
1313a9597
14b88892
15835e95
hex5f5280

6247040 has 64 divisors (see below), whose sum is σ = 15348960. Its totient is φ = 2429952.

The previous prime is 6247019. The next prime is 6247061. The reversal of 6247040 is 407426.

It is an interprime number because it is at equal distance from previous prime (6247019) and next prime (6247061).

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 6246997 and 6247015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27407 + ... + 27633.

Almost surely, 26247040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6247040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7674480).

6247040 is an abundant number, since it is smaller than the sum of its proper divisors (9101920).

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

6247040 is a wasteful number, since it uses less digits than its factorization.

6247040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 6247040 is about 2499.4079298906. The cubic root of 6247040 is about 184.1724910515.

The spelling of 6247040 in words is "six million, two hundred forty-seven thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 43 64 80 86 128 160 172 215 227 320 344 430 454 640 688 860 908 1135 1376 1720 1816 2270 2752 3440 3632 4540 5504 6880 7264 9080 9761 13760 14528 18160 19522 27520 29056 36320 39044 48805 72640 78088 97610 145280 156176 195220 312352 390440 624704 780880 1249408 1561760 3123520 6247040