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1357067381 = 17194201447
BaseRepresentation
bin101000011100011…
…0011010001110101
310111120120011110212
41100320303101311
510234402124011
6342354355205
745425611445
oct12070632165
93446504425
101357067381
1163703589a
1231a58bb05
131881c9167
14cc338125
157e21408b
hex50e33475

1357067381 has 8 divisors (see below), whose sum is σ = 1512521280. Its totient is φ = 1210016448.

The previous prime is 1357067363. The next prime is 1357067423. The reversal of 1357067381 is 1837607531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1357067381 - 226 = 1289958517 is a prime.

It is a super-2 number, since 2×13570673812 = 3683263753148398322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1357067311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2100401 + ... + 2101046.

It is an arithmetic number, because the mean of its divisors is an integer number (189065160).

Almost surely, 21357067381 is an apocalyptic number.

It is an amenable number.

1357067381 is a deficient number, since it is larger than the sum of its proper divisors (155453899).

1357067381 is a wasteful number, since it uses less digits than its factorization.

1357067381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4201483.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 1357067381 is about 36838.3954726587. The cubic root of 1357067381 is about 1107.1347200694.

The spelling of 1357067381 in words is "one billion, three hundred fifty-seven million, sixty-seven thousand, three hundred eighty-one".

Divisors: 1 17 19 323 4201447 71424599 79827493 1357067381