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70245793 = 193697147
BaseRepresentation
bin1000010111111…
…01110110100001
311220011212010001
410023331312201
5120440331133
610545340001
71512036142
oct413756641
9156155101
1070245793
1136719782
121b637601
1311726677
149487ac9
15627887d
hex42fdda1

70245793 has 4 divisors (see below), whose sum is σ = 73942960. Its totient is φ = 66548628.

The previous prime is 70245779. The next prime is 70245809. The reversal of 70245793 is 39754207.

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 70245793 - 25 = 70245761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70245733) 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, 1848555 + ... + 1848592.

It is an arithmetic number, because the mean of its divisors is an integer number (18485740).

Almost surely, 270245793 is an apocalyptic number.

It is an amenable number.

70245793 is a deficient number, since it is larger than the sum of its proper divisors (3697167).

70245793 is a wasteful number, since it uses less digits than its factorization.

70245793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3697166.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 70245793 is about 8381.2763347834. The cubic root of 70245793 is about 412.6103393839.

The spelling of 70245793 in words is "seventy million, two hundred forty-five thousand, seven hundred ninety-three".

Divisors: 1 19 3697147 70245793