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70500653 = 295345869
BaseRepresentation
bin1000011001111…
…00000100101101
311220122210201022
410030330010231
5121022010103
610555023525
71514150156
oct414740455
9156583638
1070500653
1136883203
121b73aba5
13117b5682
14951292d
1562c9138
hex433c12d

70500653 has 8 divisors (see below), whose sum is σ = 74309400. Its totient is φ = 66783808.

The previous prime is 70500643. The next prime is 70500671. The reversal of 70500653 is 35600507.

It can be written as a sum of positive squares in 4 ways, for example, as 23687689 + 46812964 = 4867^2 + 6842^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70500653 - 24 = 70500637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70500613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21398 + ... + 24471.

It is an arithmetic number, because the mean of its divisors is an integer number (9288675).

Almost surely, 270500653 is an apocalyptic number.

It is an amenable number.

70500653 is a deficient number, since it is larger than the sum of its proper divisors (3808747).

70500653 is a wasteful number, since it uses less digits than its factorization.

70500653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45951.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 70500653 is about 8396.4666973674. The cubic root of 70500653 is about 413.1087367364.

The spelling of 70500653 in words is "seventy million, five hundred thousand, six hundred fifty-three".

Divisors: 1 29 53 1537 45869 1330201 2431057 70500653