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70575470 = 2574323447
BaseRepresentation
bin1000011010011…
…10010101101110
311220210121100022
410031032111232
5121031403340
611000402142
71514611250
oct415162556
9156717308
1070575470
1136924439
121b776352
1311810744
149531cd0
1562e13b5
hex434e56e

70575470 has 32 divisors (see below), whose sum is σ = 148566528. Its totient is φ = 23633568.

The previous prime is 70575469. The next prime is 70575503. The reversal of 70575470 is 7457507.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 70575470.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8714 + ... + 14733.

It is an arithmetic number, because the mean of its divisors is an integer number (4642704).

Almost surely, 270575470 is an apocalyptic number.

70575470 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

70575470 is an abundant number, since it is smaller than the sum of its proper divisors (77991058).

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

70575470 is a wasteful number, since it uses less digits than its factorization.

70575470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23504.

The product of its (nonzero) digits is 34300, while the sum is 35.

The square root of 70575470 is about 8400.9207828666. The cubic root of 70575470 is about 413.2548187380.

The spelling of 70575470 in words is "seventy million, five hundred seventy-five thousand, four hundred seventy".

Divisors: 1 2 5 7 10 14 35 43 70 86 215 301 430 602 1505 3010 23447 46894 117235 164129 234470 328258 820645 1008221 1641290 2016442 5041105 7057547 10082210 14115094 35287735 70575470