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70380437 = 2327711047
BaseRepresentation
bin1000011000111…
…10101110010101
311220102200210212
410030132232111
5121004133222
610552255205
71513136531
oct414365625
9156380725
1070380437
1136800956
121b6a1505
1311772a3a
1494c0bc1
1562a36e2
hex431eb95

70380437 has 8 divisors (see below), whose sum is σ = 73712256. Its totient is φ = 67071312.

The previous prime is 70380433. The next prime is 70380469. The reversal of 70380437 is 73408307.

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

It is not a de Polignac number, because 70380437 - 22 = 70380433 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 (70380433) 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, 848 + ... + 11894.

It is an arithmetic number, because the mean of its divisors is an integer number (9214032).

Almost surely, 270380437 is an apocalyptic number.

It is an amenable number.

70380437 is a deficient number, since it is larger than the sum of its proper divisors (3331819).

70380437 is a wasteful number, since it uses less digits than its factorization.

70380437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11347.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 70380437 is about 8389.3049175721. The cubic root of 70380437 is about 412.8737954879.

The spelling of 70380437 in words is "seventy million, three hundred eighty thousand, four hundred thirty-seven".

Divisors: 1 23 277 6371 11047 254081 3060019 70380437