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381962982 = 2363660497
BaseRepresentation
bin10110110001000…
…100101011100110
3222121201201201010
4112301010223212
51240240303412
6101522443050
712315426462
oct2661045346
9877651633
10381962982
11186676495
12a7b03486
13611977cb
1438a2b4a2
15237ee33c
hex16c44ae6

381962982 has 8 divisors (see below), whose sum is σ = 763925976. Its totient is φ = 127320992.

The previous prime is 381962981. The next prime is 381963007. The reversal of 381962982 is 289269183.

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

381962982 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381962981) 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, 31830243 + ... + 31830254.

It is an arithmetic number, because the mean of its divisors is an integer number (95490747).

Almost surely, 2381962982 is an apocalyptic number.

381962982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

381962982 is a wasteful number, since it uses less digits than its factorization.

381962982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63660502.

The product of its digits is 373248, while the sum is 48.

The square root of 381962982 is about 19543.8732599247. The cubic root of 381962982 is about 725.5607121730.

The spelling of 381962982 in words is "three hundred eighty-one million, nine hundred sixty-two thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 63660497 127320994 190981491 381962982