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2531085132 = 223598394261
BaseRepresentation
bin1001011011011101…
…0100101101001100
320112101200110001210
42112313110231030
520140424211012
61055053534420
7116502603642
oct22667245514
96471613053
102531085132
1110898057a4
125a77a4410
133144c4314
141a0223192
15ec31b23c
hex96dd4b4c

2531085132 has 48 divisors (see below), whose sum is σ = 6014534400. Its totient is φ = 828212160.

The previous prime is 2531085101. The next prime is 2531085143. The reversal of 2531085132 is 2315801352.

It is a self number, because there is not a number n which added to its sum of digits gives 2531085132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 591882 + ... + 596142.

It is an arithmetic number, because the mean of its divisors is an integer number (125302800).

Almost surely, 22531085132 is an apocalyptic number.

It is an amenable number.

2531085132 is an abundant number, since it is smaller than the sum of its proper divisors (3483449268).

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

2531085132 is a wasteful number, since it uses less digits than its factorization.

2531085132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5166 (or 5164 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 2531085132 is about 50309.8909957078. The cubic root of 2531085132 is about 1362.8108553360.

Adding to 2531085132 its reverse (2315801352), we get a palindrome (4846886484).

The spelling of 2531085132 in words is "two billion, five hundred thirty-one million, eighty-five thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 59 118 177 236 354 708 839 1678 2517 3356 4261 5034 8522 10068 12783 17044 25566 49501 51132 99002 148503 198004 251399 297006 502798 594012 754197 1005596 1508394 3016788 3574979 7149958 10724937 14299916 21449874 42899748 210923761 421847522 632771283 843695044 1265542566 2531085132