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70570501 = 83850247
BaseRepresentation
bin1000011010011…
…01001000000101
311220210100112021
410031031020011
5121031224001
611000323141
71514560621
oct415151005
9156710467
1070570501
1136920731
121b7734b1
131180b3c1
149530181
1562deba1
hex434d205

70570501 has 4 divisors (see below), whose sum is σ = 71420832. Its totient is φ = 69720172.

The previous prime is 70570483. The next prime is 70570529. The reversal of 70570501 is 10507507.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70570501 - 27 = 70570373 is a prime.

It is a super-2 number, since 2×705705012 = 9960391222782002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70570531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425041 + ... + 425206.

It is an arithmetic number, because the mean of its divisors is an integer number (17855208).

Almost surely, 270570501 is an apocalyptic number.

It is an amenable number.

70570501 is a deficient number, since it is larger than the sum of its proper divisors (850331).

70570501 is an equidigital number, since it uses as much as digits as its factorization.

70570501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850330.

The product of its (nonzero) digits is 1225, while the sum is 25.

The square root of 70570501 is about 8400.6250362696. The cubic root of 70570501 is about 413.2451198469.

The spelling of 70570501 in words is "seventy million, five hundred seventy thousand, five hundred one".

Divisors: 1 83 850247 70570501