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70427357 = 72111319232
BaseRepresentation
bin1000011001010…
…10001011011101
311220112002011122
410030222023131
5121012133412
610553300325
71513423400
oct414521335
9156462148
1070427357
1136833130
121b7046a5
131178b1c0
1494d3d37
1562b2572
hex432a2dd

70427357 has 72 divisors (see below), whose sum is σ = 105910560. Its totient is φ = 45904320.

The previous prime is 70427353. The next prime is 70427377. The reversal of 70427357 is 75372407.

It is not a de Polignac number, because 70427357 - 22 = 70427353 is a prime.

It is a super-2 number, since 2×704273572 = 9920025228010898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70427351) 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 in 71 ways as a sum of consecutive naturals, for example, 3062048 + ... + 3062070.

It is an arithmetic number, because the mean of its divisors is an integer number (1470980).

Almost surely, 270427357 is an apocalyptic number.

70427357 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

70427357 is a deficient number, since it is larger than the sum of its proper divisors (35483203).

70427357 is a wasteful number, since it uses less digits than its factorization.

70427357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 35.

The square root of 70427357 is about 8392.1008692699. The cubic root of 70427357 is about 412.9655242695.

The spelling of 70427357 in words is "seventy million, four hundred twenty-seven thousand, three hundred fifty-seven".

Divisors: 1 7 11 13 19 23 49 77 91 133 143 161 209 247 253 299 437 529 539 637 931 1001 1127 1463 1729 1771 2093 2717 3059 3289 3703 4807 5681 5819 6877 7007 10051 10241 12103 12397 14651 19019 21413 23023 25921 33649 39767 40733 48139 62491 70357 75647 110561 130663 133133 161161 235543 278369 285131 336973 437437 492499 529529 773927 914641 1437293 3062059 3706703 5417489 6402487 10061051 70427357