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70129674 = 2323896093
BaseRepresentation
bin1000010111000…
…01100000001010
311212221221211100
410023201200022
5120423122144
610543042230
71511043456
oct413414012
9155857740
1070129674
113664a50a
121b5a0376
13116b5864
149457666
156254269
hex42e180a

70129674 has 12 divisors (see below), whose sum is σ = 151947666. Its totient is φ = 23376552.

The previous prime is 70129673. The next prime is 70129679. The reversal of 70129674 is 47692107.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 37124649 + 33005025 = 6093^2 + 5745^2 .

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

It is not an unprimeable number, because it can be changed into a prime (70129673) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1948029 + ... + 1948064.

Almost surely, 270129674 is an apocalyptic number.

70129674 is an abundant number, since it is smaller than the sum of its proper divisors (81817992).

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

70129674 is a wasteful number, since it uses less digits than its factorization.

70129674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3896101 (or 3896098 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 70129674 is about 8374.3461834343. The cubic root of 70129674 is about 412.3828604024.

The spelling of 70129674 in words is "seventy million, one hundred twenty-nine thousand, six hundred seventy-four".

Divisors: 1 2 3 6 9 18 3896093 7792186 11688279 23376558 35064837 70129674