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70005147 = 337630677
BaseRepresentation
bin1000010110000…
…11000110011011
311212201122000020
410023003012123
5120410131042
610540241523
71510014432
oct413030633
9155648006
1070005147
11365749a3
121b5402a3
1311670c84
149424119
15622c3ec
hex42c319b

70005147 has 8 divisors (see below), whose sum is σ = 95863056. Its totient is φ = 45408672.

The previous prime is 70005127. The next prime is 70005149. The reversal of 70005147 is 74150007.

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

It is not a de Polignac number, because 70005147 - 223 = 61616539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70005149) 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, 315228 + ... + 315449.

It is an arithmetic number, because the mean of its divisors is an integer number (11982882).

Almost surely, 270005147 is an apocalyptic number.

70005147 is a deficient number, since it is larger than the sum of its proper divisors (25857909).

70005147 is a wasteful number, since it uses less digits than its factorization.

70005147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630717.

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 70005147 is about 8366.9078517694. The cubic root of 70005147 is about 412.1386308073.

The spelling of 70005147 in words is "seventy million, five thousand, one hundred forty-seven".

Divisors: 1 3 37 111 630677 1892031 23335049 70005147