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70622641 = 172435683
BaseRepresentation
bin1000011010110…
…01110110110001
311220220000001101
410031121312301
5121034411031
611001404401
71515165625
oct415316661
9156800041
1070622641
1136956921
121b799701
131182905b
149545185
156300361
hex4359db1

70622641 has 12 divisors (see below), whose sum is σ = 76779472. Its totient is φ = 64911168.

The previous prime is 70622633. The next prime is 70622647. The reversal of 70622641 is 14622607.

It is not a de Polignac number, because 70622641 - 23 = 70622633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70622647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9586 + ... + 15268.

Almost surely, 270622641 is an apocalyptic number.

It is an amenable number.

70622641 is a deficient number, since it is larger than the sum of its proper divisors (6156831).

70622641 is a wasteful number, since it uses less digits than its factorization.

70622641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5760 (or 5743 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 70622641 is about 8403.7278037785. The cubic root of 70622641 is about 413.3468681977.

The spelling of 70622641 in words is "seventy million, six hundred twenty-two thousand, six hundred forty-one".

Divisors: 1 17 43 289 731 5683 12427 96611 244369 1642387 4154273 70622641