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70263319 = 753189389
BaseRepresentation
bin1000011000000…
…10001000010111
311220012202011011
410030002020113
5120441411234
610545553051
71512141220
oct414021027
9156182134
1070263319
1136730965
121b645787
1311731639
149490247
15627db64
hex4302217

70263319 has 8 divisors (see below), whose sum is σ = 81816480. Its totient is φ = 59089056.

The previous prime is 70263307. The next prime is 70263331. The reversal of 70263319 is 91336207.

It is an interprime number because it is at equal distance from previous prime (70263307) and next prime (70263331).

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 70263319 - 27 = 70263191 is a prime.

It is a super-2 number, since 2×702633192 = 9873867993791522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70263359) 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, 94324 + ... + 95065.

It is an arithmetic number, because the mean of its divisors is an integer number (10227060).

Almost surely, 270263319 is an apocalyptic number.

70263319 is a deficient number, since it is larger than the sum of its proper divisors (11553161).

70263319 is a wasteful number, since it uses less digits than its factorization.

70263319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189449.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 70263319 is about 8382.3218143901. The cubic root of 70263319 is about 412.6446513200.

The spelling of 70263319 in words is "seventy million, two hundred sixty-three thousand, three hundred nineteen".

Divisors: 1 7 53 371 189389 1325723 10037617 70263319