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70143175 = 5216191733
BaseRepresentation
bin1000010111001…
…00110011000111
311212222122100101
410023210303013
5120424040200
610543224531
71511131024
oct413446307
9155878311
1070143175
1136659673
121b5a8147
13116bba4b
14945c54b
15625826a
hex42e4cc7

70143175 has 12 divisors (see below), whose sum is σ = 87081480. Its totient is φ = 56047520.

The previous prime is 70143167. The next prime is 70143179. The reversal of 70143175 is 57134107.

It is not a de Polignac number, because 70143175 - 23 = 70143167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70143179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39609 + ... + 41341.

It is an arithmetic number, because the mean of its divisors is an integer number (7256790).

Almost surely, 270143175 is an apocalyptic number.

70143175 is a deficient number, since it is larger than the sum of its proper divisors (16938305).

70143175 is a wasteful number, since it uses less digits than its factorization.

70143175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3362 (or 3357 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 70143175 is about 8375.1522374223. The cubic root of 70143175 is about 412.4093219720.

The spelling of 70143175 in words is "seventy million, one hundred forty-three thousand, one hundred seventy-five".

Divisors: 1 5 25 1619 1733 8095 8665 40475 43325 2805727 14028635 70143175