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70093761 = 323364587
BaseRepresentation
bin1000010110110…
…00101111000001
311212220010120020
410023120233001
5120421000021
610542204053
71510533663
oct413305701
9155803506
1070093761
1136625531
121b583629
13116a23ca
149448533
1562487c6
hex42d8bc1

70093761 has 4 divisors (see below), whose sum is σ = 93458352. Its totient is φ = 46729172.

The previous prime is 70093739. The next prime is 70093781. The reversal of 70093761 is 16739007.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16739007 = 35579669.

It is a cyclic number.

It is not a de Polignac number, because 70093761 - 25 = 70093729 is a prime.

It is a super-2 number, since 2×700937612 = 9826270662250242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70093781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11682291 + ... + 11682296.

It is an arithmetic number, because the mean of its divisors is an integer number (23364588).

Almost surely, 270093761 is an apocalyptic number.

It is an amenable number.

70093761 is a deficient number, since it is larger than the sum of its proper divisors (23364591).

70093761 is a wasteful number, since it uses less digits than its factorization.

70093761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23364590.

The product of its (nonzero) digits is 7938, while the sum is 33.

The square root of 70093761 is about 8372.2016817561. The cubic root of 70093761 is about 412.3124554246.

The spelling of 70093761 in words is "seventy million, ninety-three thousand, seven hundred sixty-one".

Divisors: 1 3 23364587 70093761