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2500056 = 2332132671
BaseRepresentation
bin1001100010010111011000
311201000102200
421202113120
51120000211
6125330200
730151536
oct11422730
94630380
102500056
111458369
12a06960
13696c30
14491156
15345b56
hex2625d8

2500056 has 48 divisors (see below), whose sum is σ = 7294560. Its totient is φ = 768960.

The previous prime is 2500051. The next prime is 2500067. The reversal of 2500056 is 6500052.

2500056 is nontrivially palindromic in base 5.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 400 + ... + 2271.

It is an arithmetic number, because the mean of its divisors is an integer number (151970).

22500056 is an apocalyptic number.

2500056 is a gapful number since it is divisible by the number (26) 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 2500056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3647280).

2500056 is an abundant number, since it is smaller than the sum of its proper divisors (4794504).

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

2500056 is a wasteful number, since it uses less digits than its factorization.

2500056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2696 (or 2689 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 2500056 is about 1581.1565387399. The cubic root of 2500056 is about 135.7218942048.

The spelling of 2500056 in words is "two million, five hundred thousand, fifty-six".

Divisors: 1 2 3 4 6 8 9 12 13 18 24 26 36 39 52 72 78 104 117 156 234 312 468 936 2671 5342 8013 10684 16026 21368 24039 32052 34723 48078 64104 69446 96156 104169 138892 192312 208338 277784 312507 416676 625014 833352 1250028 2500056