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70999401 = 3112151497
BaseRepresentation
bin1000011101101…
…01110101101001
311221121010212110
410032311311221
5121133440101
611013432533
71521325224
oct416656551
9157533773
1070999401
11370939a0
121b93b749
131192b6a5
1496025bb
156376cd6
hex43b5d69

70999401 has 8 divisors (see below), whose sum is σ = 103271904. Its totient is φ = 43029920.

The previous prime is 70999363. The next prime is 70999403. The reversal of 70999401 is 10499907.

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 70999401 - 210 = 70998377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70999401.

It is not an unprimeable number, because it can be changed into a prime (70999403) 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, 1075716 + ... + 1075781.

It is an arithmetic number, because the mean of its divisors is an integer number (12908988).

Almost surely, 270999401 is an apocalyptic number.

It is an amenable number.

70999401 is a deficient number, since it is larger than the sum of its proper divisors (32272503).

70999401 is a wasteful number, since it uses less digits than its factorization.

70999401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151511.

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 70999401 is about 8426.1142289907. The cubic root of 70999401 is about 414.0806104555.

The spelling of 70999401 in words is "seventy million, nine hundred ninety-nine thousand, four hundred one".

Divisors: 1 3 11 33 2151497 6454491 23666467 70999401