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379921390 = 2537992139
BaseRepresentation
bin10110101001010…
…010001111101110
3222110220000011121
4112221102033232
51234224441030
6101411011154
712262164352
oct2651221756
9873800147
10379921390
11185501622
12a7299aba
1360931474
1438659462
152354947a
hex16a523ee

379921390 has 8 divisors (see below), whose sum is σ = 683858520. Its totient is φ = 151968552.

The previous prime is 379921387. The next prime is 379921393. The reversal of 379921390 is 93129973.

379921390 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (379921387) and next prime (379921393).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379921393) 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, 18996060 + ... + 18996079.

It is an arithmetic number, because the mean of its divisors is an integer number (85482315).

Almost surely, 2379921390 is an apocalyptic number.

379921390 is a deficient number, since it is larger than the sum of its proper divisors (303937130).

379921390 is a wasteful number, since it uses less digits than its factorization.

379921390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37992146.

The product of its (nonzero) digits is 91854, while the sum is 43.

The square root of 379921390 is about 19491.5722813733. The cubic root of 379921390 is about 724.2656948885.

The spelling of 379921390 in words is "three hundred seventy-nine million, nine hundred twenty-one thousand, three hundred ninety".

Divisors: 1 2 5 10 37992139 75984278 189960695 379921390