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70434771 = 31119311059
BaseRepresentation
bin1000011001010…
…11111111010011
311220112110100020
410030223333103
5121012403041
610553354523
71513454121
oct414537723
9156473306
1070434771
1136838760
121b708a43
13117916a4
1494d6911
1562b4866
hex432bfd3

70434771 has 16 divisors (see below), whose sum is σ = 102990720. Its totient is φ = 42462720.

The previous prime is 70434751. The next prime is 70434779. The reversal of 70434771 is 17743407.

It is not a de Polignac number, because 70434771 - 25 = 70434739 is a prime.

It is a super-2 number, since 2×704347712 = 9922113931644882, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (70434779) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 840 + ... + 11898.

It is an arithmetic number, because the mean of its divisors is an integer number (6436920).

Almost surely, 270434771 is an apocalyptic number.

70434771 is a deficient number, since it is larger than the sum of its proper divisors (32555949).

70434771 is a wasteful number, since it uses less digits than its factorization.

70434771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11266.

The product of its (nonzero) digits is 16464, while the sum is 33.

The square root of 70434771 is about 8392.5425825551. The cubic root of 70434771 is about 412.9800149405.

The spelling of 70434771 in words is "seventy million, four hundred thirty-four thousand, seven hundred seventy-one".

Divisors: 1 3 11 33 193 579 2123 6369 11059 33177 121649 364947 2134387 6403161 23478257 70434771