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70340142 = 23103113819
BaseRepresentation
bin1000011000101…
…00111000101110
311220100122112110
410030110320232
5121001341032
610551344450
71512611205
oct414247056
9156318473
1070340142
1136783654
121b682126
131175a5b2
1494b023c
1562967cc
hex4314e2e

70340142 has 16 divisors (see below), whose sum is σ = 142047360. Its totient is φ = 23218872.

The previous prime is 70340119. The next prime is 70340183. The reversal of 70340142 is 24104307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56292 + ... + 57527.

It is an arithmetic number, because the mean of its divisors is an integer number (8877960).

Almost surely, 270340142 is an apocalyptic number.

70340142 is an abundant number, since it is smaller than the sum of its proper divisors (71707218).

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

70340142 is a wasteful number, since it uses less digits than its factorization.

70340142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113927.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 70340142 is about 8386.9030040892. The cubic root of 70340142 is about 412.7949860615.

Adding to 70340142 its reverse (24104307), we get a palindrome (94444449).

The spelling of 70340142 in words is "seventy million, three hundred forty thousand, one hundred forty-two".

Divisors: 1 2 3 6 103 206 309 618 113819 227638 341457 682914 11723357 23446714 35170071 70340142