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70016723 = 723941851
BaseRepresentation
bin1000010110001…
…01111011010011
311212202012212222
410023011323103
5120411013343
610540411255
71510063250
oct413057323
9155665788
1070016723
1136582667
121b546b2b
131167631a
149428427
156230a68
hex42c5ed3

70016723 has 8 divisors (see below), whose sum is σ = 80355840. Its totient is φ = 59761800.

The previous prime is 70016719. The next prime is 70016731. The reversal of 70016723 is 32761007.

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

It is not a de Polignac number, because 70016723 - 22 = 70016719 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70016692 and 70016701.

It is not an unprimeable number, because it can be changed into a prime (70016743) 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, 19253 + ... + 22598.

It is an arithmetic number, because the mean of its divisors is an integer number (10044480).

Almost surely, 270016723 is an apocalyptic number.

70016723 is a deficient number, since it is larger than the sum of its proper divisors (10339117).

70016723 is a wasteful number, since it uses less digits than its factorization.

70016723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42097.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 70016723 is about 8367.5995960610. The cubic root of 70016723 is about 412.1613465363.

The spelling of 70016723 in words is "seventy million, sixteen thousand, seven hundred twenty-three".

Divisors: 1 7 239 1673 41851 292957 10002389 70016723