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70013214 = 2331968239
BaseRepresentation
bin1000010110001…
…01000100011110
311212202001002000
410023011010132
5120410410324
610540343130
71510050105
oct413050436
9155661060
1070013214
113657aa67
121b544aa6
131167484b
14942703c
15622e9c9
hex42c511e

70013214 has 32 divisors (see below), whose sum is σ = 163776000. Its totient is φ = 22109112.

The previous prime is 70013189. The next prime is 70013231. The reversal of 70013214 is 41231007.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33094 + ... + 35145.

It is an arithmetic number, because the mean of its divisors is an integer number (5118000).

Almost surely, 270013214 is an apocalyptic number.

70013214 is an abundant number, since it is smaller than the sum of its proper divisors (93762786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70013214 is a wasteful number, since it uses less digits than its factorization.

70013214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68269 (or 68263 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 70013214 is about 8367.3899156188. The cubic root of 70013214 is about 412.1544610464.

The spelling of 70013214 in words is "seventy million, thirteen thousand, two hundred fourteen".

Divisors: 1 2 3 6 9 18 19 27 38 54 57 114 171 342 513 1026 68239 136478 204717 409434 614151 1228302 1296541 1842453 2593082 3684906 3889623 7779246 11668869 23337738 35006607 70013214