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70787001 = 3139169753
BaseRepresentation
bin1000011100000…
…01111110111001
311221012100111210
410032001332321
5121110141001
611005113333
71516452045
oct416017671
9157170453
1070787001
1136a5935a
121b858849
1311885acc
149589025
156333dd6
hex4381fb9

70787001 has 8 divisors (see below), whose sum is σ = 95062240. Its totient is φ = 46851552.

The previous prime is 70786993. The next prime is 70787039. The reversal of 70787001 is 10078707.

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

It is not a de Polignac number, because 70787001 - 23 = 70786993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70787001.

It is not an unprimeable number, because it can be changed into a prime (70787501) 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, 84460 + ... + 85293.

It is an arithmetic number, because the mean of its divisors is an integer number (11882780).

Almost surely, 270787001 is an apocalyptic number.

It is an amenable number.

70787001 is a deficient number, since it is larger than the sum of its proper divisors (24275239).

70787001 is a wasteful number, since it uses less digits than its factorization.

70787001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169895.

The product of its (nonzero) digits is 2744, while the sum is 30.

The square root of 70787001 is about 8413.5011142805. The cubic root of 70787001 is about 413.6672803420.

The spelling of 70787001 in words is "seventy million, seven hundred eighty-seven thousand, one".

Divisors: 1 3 139 417 169753 509259 23595667 70787001