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2528955 = 3351113131
BaseRepresentation
bin1001101001011010111011
311202111002000
421221122323
51121411310
6130112043
730332022
oct11513273
94674060
102528955
111478050
12a1b623
136a7130
1449b8b9
1534e4c0
hex2696bb

2528955 has 64 divisors (see below), whose sum is σ = 5322240. Its totient is φ = 1123200.

The previous prime is 2528941. The next prime is 2528969. The reversal of 2528955 is 5598252.

It is an interprime number because it is at equal distance from previous prime (2528941) and next prime (2528969).

It is not a de Polignac number, because 2528955 - 25 = 2528923 is a prime.

It is a super-2 number, since 2×25289552 = 12791226784050, which contains 22 as substring.

2528955 is a lucky number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19240 + ... + 19370.

It is an arithmetic number, because the mean of its divisors is an integer number (83160).

22528955 is an apocalyptic number.

2528955 is an abundant number, since it is smaller than the sum of its proper divisors (2793285).

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

2528955 is a wasteful number, since it uses less digits than its factorization.

2528955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 163 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The square root of 2528955 is about 1590.2688451957. The cubic root of 2528955 is about 136.2428439414.

The spelling of 2528955 in words is "two million, five hundred twenty-eight thousand, nine hundred fifty-five".

Divisors: 1 3 5 9 11 13 15 27 33 39 45 55 65 99 117 131 135 143 165 195 297 351 393 429 495 585 655 715 1179 1287 1441 1485 1703 1755 1965 2145 3537 3861 4323 5109 5895 6435 7205 8515 12969 15327 17685 18733 19305 21615 25545 38907 45981 56199 64845 76635 93665 168597 194535 229905 280995 505791 842985 2528955