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2531068452 = 2233112130529
BaseRepresentation
bin1001011011011101…
…0000101000100100
320112101122121012000
42112313100220210
520140423142302
61055053325300
7116502504213
oct22667205044
96471577160
102531068452
1110897a4210
125a7796830
133144b9853
141a021b07a
15ec31631c
hex96dd0a24

2531068452 has 48 divisors (see below), whose sum is σ = 7158580800. Its totient is φ = 766990080.

The previous prime is 2531068429. The next prime is 2531068453. The reversal of 2531068452 is 2548601352.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2531068453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1064077 + ... + 1066452.

It is an arithmetic number, because the mean of its divisors is an integer number (149137100).

Almost surely, 22531068452 is an apocalyptic number.

2531068452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2531068452 is an abundant number, since it is smaller than the sum of its proper divisors (4627512348).

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

2531068452 is a wasteful number, since it uses less digits than its factorization.

2531068452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130553 (or 2130545 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 2531068452 is about 50309.7252228632. The cubic root of 2531068452 is about 1362.8078616615.

The spelling of 2531068452 in words is "two billion, five hundred thirty-one million, sixty-eight thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 9 11 12 18 22 27 33 36 44 54 66 99 108 132 198 297 396 594 1188 2130529 4261058 6391587 8522116 12783174 19174761 23435819 25566348 38349522 46871638 57524283 70307457 76699044 93743276 115048566 140614914 210922371 230097132 281229828 421844742 632767113 843689484 1265534226 2531068452