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2625128 = 2311231297
BaseRepresentation
bin1010000000111001101000
311221100222222
422000321220
51133001003
6132133212
731212302
oct12007150
94840888
102625128
111533330
12a67208
1370bb3c
144c4972
1536cc38
hex280e68

2625128 has 32 divisors (see below), whose sum is σ = 5607360. Its totient is φ = 1140480.

The previous prime is 2625079. The next prime is 2625137. The reversal of 2625128 is 8215262.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 2625097 and 2625106.

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, 1376 + ... + 2672.

It is an arithmetic number, because the mean of its divisors is an integer number (175230).

22625128 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 2625128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2803680).

2625128 is an abundant number, since it is smaller than the sum of its proper divisors (2982232).

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

2625128 is a wasteful number, since it uses less digits than its factorization.

2625128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337 (or 1333 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 2625128 is about 1620.2246757780. The cubic root of 2625128 is about 137.9484509559.

The spelling of 2625128 in words is "two million, six hundred twenty-five thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 11 22 23 44 46 88 92 184 253 506 1012 1297 2024 2594 5188 10376 14267 28534 29831 57068 59662 114136 119324 238648 328141 656282 1312564 2625128