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1357442372 = 2211213443487
BaseRepresentation
bin101000011101000…
…1110110101000100
310111121021012212102
41100322032311010
510240001123442
6342410411232
745432032636
oct12072166504
93447235772
101357442372
11637271600
1231a730b18
131882caa50
14cc3d4a56
157e28a232
hex50e8ed44

1357442372 has 72 divisors (see below), whose sum is σ = 2824102848. Its totient is φ = 567103680.

The previous prime is 1357442371. The next prime is 1357442377. The reversal of 1357442372 is 2732447531.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1357442371) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2787113 + ... + 2787599.

Almost surely, 21357442372 is an apocalyptic number.

It is an amenable number.

1357442372 is an abundant number, since it is smaller than the sum of its proper divisors (1466660476).

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

1357442372 is a wasteful number, since it uses less digits than its factorization.

1357442372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969 (or 956 counting only the distinct ones).

The product of its digits is 141120, while the sum is 38.

The square root of 1357442372 is about 36843.4847971795. The cubic root of 1357442372 is about 1107.2366868367.

The spelling of 1357442372 in words is "one billion, three hundred fifty-seven million, four hundred forty-two thousand, three hundred seventy-two".

Divisors: 1 2 4 11 13 22 26 44 52 121 143 242 286 443 484 487 572 886 974 1573 1772 1948 3146 4873 5357 5759 6292 6331 9746 10714 11518 12662 19492 21428 23036 25324 53603 58927 63349 69641 107206 117854 126698 139282 214412 215741 235708 253396 278564 431482 696839 766051 862964 1393678 1532102 2373151 2787356 2804633 3064204 4746302 5609266 9492604 11218532 26104661 30850963 52209322 61701926 104418644 123403852 339360593 678721186 1357442372