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70370399 = 1121130319
BaseRepresentation
bin1000011000111…
…00010001011111
311220102012001002
410030130101133
5121003323044
610552140515
71513065341
oct414342137
9156365032
1070370399
11367a4360
121b69773b
131176b2b8
1494bb291
1562a074e
hex431c45f

70370399 has 8 divisors (see below), whose sum is σ = 77134080. Its totient is φ = 63667800.

The previous prime is 70370389. The next prime is 70370407. The reversal of 70370399 is 99307307.

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 70370399 - 28 = 70370143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70370329) 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 7 ways as a sum of consecutive naturals, for example, 12839 + ... + 17480.

It is an arithmetic number, because the mean of its divisors is an integer number (9641760).

Almost surely, 270370399 is an apocalyptic number.

70370399 is a deficient number, since it is larger than the sum of its proper divisors (6763681).

70370399 is a wasteful number, since it uses less digits than its factorization.

70370399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30541.

The product of its (nonzero) digits is 35721, while the sum is 38.

The square root of 70370399 is about 8388.7066345176. The cubic root of 70370399 is about 412.8541658655.

The spelling of 70370399 in words is "seventy million, three hundred seventy thousand, three hundred ninety-nine".

Divisors: 1 11 211 2321 30319 333509 6397309 70370399