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70654279 is a prime number
BaseRepresentation
bin1000011011000…
…01100101000111
311220221121110011
410031201211013
5121041414104
611002211051
71515360103
oct415414507
9156847404
1070654279
1136978673
121b7b3a87
131183a587
149552903
156309904
hex4361947

70654279 has 2 divisors, whose sum is σ = 70654280. Its totient is φ = 70654278.

The previous prime is 70654277. The next prime is 70654303. The reversal of 70654279 is 97245607.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70654279 - 21 = 70654277 is a prime.

Together with 70654277, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70654271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35327139 + 35327140.

It is an arithmetic number, because the mean of its divisors is an integer number (35327140).

Almost surely, 270654279 is an apocalyptic number.

70654279 is a deficient number, since it is larger than the sum of its proper divisors (1).

70654279 is an equidigital number, since it uses as much as digits as its factorization.

70654279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 70654279 is about 8405.6099719176. The cubic root of 70654279 is about 413.4085836083.

The spelling of 70654279 in words is "seventy million, six hundred fifty-four thousand, two hundred seventy-nine".