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70736065 = 517832189
BaseRepresentation
bin1000011011101…
…01100011000001
311221002202122021
410031311203001
5121102023230
611004041441
71516150411
oct415654301
9157082567
1070736065
1136a24064
121b833281
131186887a
149574641
156323c7a
hex43758c1

70736065 has 8 divisors (see below), whose sum is σ = 89876520. Its totient is φ = 53260032.

The previous prime is 70736059. The next prime is 70736077. The reversal of 70736065 is 56063707.

It can be written as a sum of positive squares in 4 ways, for example, as 20948929 + 49787136 = 4577^2 + 7056^2 .

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 70736065 - 27 = 70735937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70736065.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416010 + ... + 416179.

It is an arithmetic number, because the mean of its divisors is an integer number (11234565).

Almost surely, 270736065 is an apocalyptic number.

It is an amenable number.

70736065 is a deficient number, since it is larger than the sum of its proper divisors (19140455).

70736065 is a wasteful number, since it uses less digits than its factorization.

70736065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832211.

The product of its (nonzero) digits is 26460, while the sum is 34.

The square root of 70736065 is about 8410.4735300695. The cubic root of 70736065 is about 413.5680360730.

The spelling of 70736065 in words is "seventy million, seven hundred thirty-six thousand, sixty-five".

Divisors: 1 5 17 85 832189 4160945 14147213 70736065