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70129496 = 238766187
BaseRepresentation
bin1000010111000…
…01011101011000
311212221221120202
410023201131120
5120423120441
610543041332
71511043113
oct413413530
9155857522
1070129496
113664a368
121b5a0248
13116b5758
14945757a
15625419b
hex42e1758

70129496 has 8 divisors (see below), whose sum is σ = 131492820. Its totient is φ = 35064744.

The previous prime is 70129489. The next prime is 70129519. The reversal of 70129496 is 69492107.

It is a tau number, because it is divible by the number of its divisors (8).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4383086 + ... + 4383101.

Almost surely, 270129496 is an apocalyptic number.

It is an amenable number.

70129496 is a deficient number, since it is larger than the sum of its proper divisors (61363324).

70129496 is a wasteful number, since it uses less digits than its factorization.

70129496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8766193 (or 8766189 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 70129496 is about 8374.3355557322. The cubic root of 70129496 is about 412.3825115048.

The spelling of 70129496 in words is "seventy million, one hundred twenty-nine thousand, four hundred ninety-six".

Divisors: 1 2 4 8 8766187 17532374 35064748 70129496