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70109402 = 2113186791
BaseRepresentation
bin1000010110111…
…00100011011010
311212220221000112
410023130203122
5120422000102
610542404322
71510630406
oct413344332
9155827015
1070109402
1136636260
121b5906a2
13116a956c
149450106
15624d252
hex42dc8da

70109402 has 8 divisors (see below), whose sum is σ = 114724512. Its totient is φ = 31867900.

The previous prime is 70109401. The next prime is 70109437. The reversal of 70109402 is 20490107.

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

It is not an unprimeable number, because it can be changed into a prime (70109401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1593374 + ... + 1593417.

It is an arithmetic number, because the mean of its divisors is an integer number (14340564).

Almost surely, 270109402 is an apocalyptic number.

70109402 is a deficient number, since it is larger than the sum of its proper divisors (44615110).

70109402 is a wasteful number, since it uses less digits than its factorization.

70109402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3186804.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 70109402 is about 8373.1357328064. The cubic root of 70109402 is about 412.3431214896.

Adding to 70109402 its reverse (20490107), we get a palindrome (90599509).

The spelling of 70109402 in words is "seventy million, one hundred nine thousand, four hundred two".

Divisors: 1 2 11 22 3186791 6373582 35054701 70109402