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70105054 = 240985703
BaseRepresentation
bin1000010110110…
…11011111011110
311212220201001111
410023123133132
5120421330204
610542332234
71510611625
oct413333736
9155821044
1070105054
1136632a68
121b58a07a
13116a75a6
14944c6bc
15624bd04
hex42db7de

70105054 has 8 divisors (see below), whose sum is σ = 105415920. Its totient is φ = 34966416.

The previous prime is 70105051. The next prime is 70105069. The reversal of 70105054 is 45050107.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70105051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42034 + ... + 43669.

It is an arithmetic number, because the mean of its divisors is an integer number (13176990).

Almost surely, 270105054 is an apocalyptic number.

70105054 is a deficient number, since it is larger than the sum of its proper divisors (35310866).

70105054 is a wasteful number, since it uses less digits than its factorization.

70105054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86114.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 70105054 is about 8372.8760888956. The cubic root of 70105054 is about 412.3345971695.

The spelling of 70105054 in words is "seventy million, one hundred five thousand, fifty-four".

Divisors: 1 2 409 818 85703 171406 35052527 70105054