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70904053 = 116445823
BaseRepresentation
bin1000011100111…
…10100011110101
311221102022002001
410032132203311
5121122412203
611011415301
71520450233
oct416364365
9157368061
1070904053
11370292a0
121b8b4531
13118c717c
1495b9953
15635891d
hex439e8f5

70904053 has 4 divisors (see below), whose sum is σ = 77349888. Its totient is φ = 64458220.

The previous prime is 70903999. The next prime is 70904069. The reversal of 70904053 is 35040907.

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 70904053 - 217 = 70772981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70934053) 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, 3222901 + ... + 3222922.

It is an arithmetic number, because the mean of its divisors is an integer number (19337472).

Almost surely, 270904053 is an apocalyptic number.

It is an amenable number.

70904053 is a deficient number, since it is larger than the sum of its proper divisors (6445835).

70904053 is a wasteful number, since it uses less digits than its factorization.

70904053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6445834.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 70904053 is about 8420.4544414182. The cubic root of 70904053 is about 413.8951654866.

The spelling of 70904053 in words is "seventy million, nine hundred four thousand, fifty-three".

Divisors: 1 11 6445823 70904053