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70213678 = 2108732297
BaseRepresentation
bin1000010111101…
…10000000101110
311220010020001121
410023312000232
5120433314203
610544531154
71511543413
oct413660056
9156106047
1070213678
11366a7637
121b620aba
1311714b72
14947a10a
15626e0bd
hex42f602e

70213678 has 8 divisors (see below), whose sum is σ = 105420672. Its totient is φ = 35073456.

The previous prime is 70213657. The next prime is 70213681. The reversal of 70213678 is 87631207.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13975 + ... + 18322.

It is an arithmetic number, because the mean of its divisors is an integer number (13177584).

Almost surely, 270213678 is an apocalyptic number.

70213678 is a deficient number, since it is larger than the sum of its proper divisors (35206994).

70213678 is a wasteful number, since it uses less digits than its factorization.

70213678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33386.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 70213678 is about 8379.3602381089. The cubic root of 70213678 is about 412.5474506786.

The spelling of 70213678 in words is "seventy million, two hundred thirteen thousand, six hundred seventy-eight".

Divisors: 1 2 1087 2174 32297 64594 35106839 70213678