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70388474 = 2133318179
BaseRepresentation
bin1000011001000…
…00101011111010
311220110002211112
410030200223322
5121004412344
610552400322
71513202132
oct414405372
9156402745
1070388474
11368069a2
121b6a60a2
13117765b0
1494c3ac2
1562a5c9e
hex4320afa

70388474 has 16 divisors (see below), whose sum is σ = 114061920. Its totient is φ = 32384880.

The previous prime is 70388473. The next prime is 70388503. The reversal of 70388474 is 47488307.

It is not an unprimeable number, because it can be changed into a prime (70388473) 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, 4517 + ... + 12695.

It is an arithmetic number, because the mean of its divisors is an integer number (7128870).

Almost surely, 270388474 is an apocalyptic number.

70388474 is a deficient number, since it is larger than the sum of its proper divisors (43673446).

70388474 is a wasteful number, since it uses less digits than its factorization.

70388474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8525.

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 70388474 is about 8389.7839066331. The cubic root of 70388474 is about 412.8895107470.

The spelling of 70388474 in words is "seventy million, three hundred eighty-eight thousand, four hundred seventy-four".

Divisors: 1 2 13 26 331 662 4303 8179 8606 16358 106327 212654 2707249 5414498 35194237 70388474