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70641053 = 727493671
BaseRepresentation
bin1000011010111…
…10010110011101
311220220221022022
410031132112131
5121041003203
611002025525
71515303410
oct415362635
9156827268
1070641053
113696973a
121b7a82a5
1311834552
14954bb77
156305a38
hex435e59d

70641053 has 8 divisors (see below), whose sum is σ = 80784000. Its totient is φ = 60510960.

The previous prime is 70641041. The next prime is 70641059. The reversal of 70641053 is 35014607.

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 70641053 - 24 = 70641037 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 (70641059) 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, 17408 + ... + 21078.

It is an arithmetic number, because the mean of its divisors is an integer number (10098000).

Almost surely, 270641053 is an apocalyptic number.

It is an amenable number.

70641053 is a deficient number, since it is larger than the sum of its proper divisors (10142947).

70641053 is a wasteful number, since it uses less digits than its factorization.

70641053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6427.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 70641053 is about 8404.8231986164. The cubic root of 70641053 is about 413.3827862411.

The spelling of 70641053 in words is "seventy million, six hundred forty-one thousand, fifty-three".

Divisors: 1 7 2749 3671 19243 25697 10091579 70641053