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1330845252 = 2231131325231
BaseRepresentation
bin100111101010011…
…0001011001000100
310102202012221110220
41033110301121010
510211144022002
6340020344340
744656666212
oct11724613104
93382187426
101330845252
11623255810
123118450b0
131829478c9
14c8a6dcb2
157bc847bc
hex4f531644

1330845252 has 48 divisors (see below), whose sum is σ = 3496894464. Its totient is φ = 390276000.

The previous prime is 1330845247. The next prime is 1330845287. The reversal of 1330845252 is 2525480331.

It is a super-2 number, since 2×13308452522 = 3542298169541887008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158524 + ... + 166707.

It is an arithmetic number, because the mean of its divisors is an integer number (72851968).

Almost surely, 21330845252 is an apocalyptic number.

1330845252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1330845252 is an abundant number, since it is smaller than the sum of its proper divisors (2166049212).

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

1330845252 is a wasteful number, since it uses less digits than its factorization.

1330845252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325280 (or 325278 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 1330845252 is about 36480.7518014637. The cubic root of 1330845252 is about 1099.9573680447.

The spelling of 1330845252 in words is "one billion, three hundred thirty million, eight hundred forty-five thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 11 12 22 31 33 44 62 66 93 124 132 186 341 372 682 1023 1364 2046 4092 325231 650462 975693 1300924 1951386 3577541 3902772 7155082 10082161 10732623 14310164 20164322 21465246 30246483 40328644 42930492 60492966 110903771 120985932 221807542 332711313 443615084 665422626 1330845252