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2555136 = 28321109
BaseRepresentation
bin1001101111110100000000
311210210222200
421233310000
51123231021
6130433200
730501243
oct11576400
94723880
102555136
111495791
12a32800
136b601c
144a725a
15357126
hex26fd00

2555136 has 54 divisors (see below), whose sum is σ = 7373730. Its totient is φ = 850944.

The previous prime is 2555131. The next prime is 2555141. The reversal of 2555136 is 6315552.

It is an interprime number because it is at equal distance from previous prime (2555131) and next prime (2555141).

It can be written as a sum of positive squares in only one way, i.e., 1440000 + 1115136 = 1200^2 + 1056^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1750 + ... + 2858.

22555136 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 2555136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3686865).

2555136 is an abundant number, since it is smaller than the sum of its proper divisors (4818594).

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

2555136 is a wasteful number, since it uses less digits than its factorization.

2555136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131 (or 1114 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 2555136 is about 1598.4792773133. The cubic root of 2555136 is about 136.7113820236.

The spelling of 2555136 in words is "two million, five hundred fifty-five thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 576 768 1109 1152 2218 2304 3327 4436 6654 8872 9981 13308 17744 19962 26616 35488 39924 53232 70976 79848 106464 141952 159696 212928 283904 319392 425856 638784 851712 1277568 2555136