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1357169272 = 23169646159
BaseRepresentation
bin101000011100100…
…1100001001111000
310111120202100020121
41100321030021320
510234413404042
6342400503024
745426514504
oct12071141170
93446670217
101357169272
116370a53a8
1231a61aa74
13188233654
14cc363304
157e234367
hex50e4c278

1357169272 has 8 divisors (see below), whose sum is σ = 2544692400. Its totient is φ = 678584632.

The previous prime is 1357169269. The next prime is 1357169273. The reversal of 1357169272 is 2729617531.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×13571692722 = 3683816865722019968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1357169273) by changing a digit.

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 as a sum of consecutive naturals, namely, 84823072 + ... + 84823087.

It is an arithmetic number, because the mean of its divisors is an integer number (318086550).

Almost surely, 21357169272 is an apocalyptic number.

It is an amenable number.

1357169272 is a deficient number, since it is larger than the sum of its proper divisors (1187523128).

1357169272 is a wasteful number, since it uses less digits than its factorization.

1357169272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169646165 (or 169646161 counting only the distinct ones).

The product of its digits is 158760, while the sum is 43.

The square root of 1357169272 is about 36839.7783923845. The cubic root of 1357169272 is about 1107.1624279151.

The spelling of 1357169272 in words is "one billion, three hundred fifty-seven million, one hundred sixty-nine thousand, two hundred seventy-two".

Divisors: 1 2 4 8 169646159 339292318 678584636 1357169272