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70342647 = 357740637
BaseRepresentation
bin1000011000101…
…01011111110111
311220100202222020
410030111133313
5121001431042
610551404223
71512621414
oct414253767
9156322866
1070342647
1136785521
121b683673
131175b78b
1494b110b
1562973ec
hex43157f7

70342647 has 8 divisors (see below), whose sum is σ = 93955056. Its totient is φ = 46812672.

The previous prime is 70342639. The next prime is 70342667. The reversal of 70342647 is 74624307.

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

It is not a de Polignac number, because 70342647 - 23 = 70342639 is a prime.

It is a super-3 number, since 3×703426473 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70342667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18588 + ... + 22049.

It is an arithmetic number, because the mean of its divisors is an integer number (11744382).

Almost surely, 270342647 is an apocalyptic number.

70342647 is a deficient number, since it is larger than the sum of its proper divisors (23612409).

70342647 is a wasteful number, since it uses less digits than its factorization.

70342647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41217.

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 70342647 is about 8387.0523427483. The cubic root of 70342647 is about 412.7998862467.

The spelling of 70342647 in words is "seventy million, three hundred forty-two thousand, six hundred forty-seven".

Divisors: 1 3 577 1731 40637 121911 23447549 70342647