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379689671 = 3710261883
BaseRepresentation
bin10110101000011…
…001101011000111
3222110110020022102
4112220121223013
51234200032141
6101402022315
712260210654
oct2650315307
9873406272
10379689671
11185363519
12a71a799b
136087cb5a
14385d8c2b
152350099b
hex16a19ac7

379689671 has 4 divisors (see below), whose sum is σ = 389951592. Its totient is φ = 369427752.

The previous prime is 379689659. The next prime is 379689689. The reversal of 379689671 is 176986973.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 176986973 = 823215051.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-379689671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379689601) 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, 5130905 + ... + 5130978.

It is an arithmetic number, because the mean of its divisors is an integer number (97487898).

Almost surely, 2379689671 is an apocalyptic number.

379689671 is a deficient number, since it is larger than the sum of its proper divisors (10261921).

379689671 is a wasteful number, since it uses less digits than its factorization.

379689671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10261920.

The product of its digits is 3429216, while the sum is 56.

The square root of 379689671 is about 19485.6272929562. The cubic root of 379689671 is about 724.1184185849.

The spelling of 379689671 in words is "three hundred seventy-nine million, six hundred eighty-nine thousand, six hundred seventy-one".

Divisors: 1 37 10261883 379689671