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385120248 = 23316046677
BaseRepresentation
bin10110111101000…
…111011111111000
3222211200010122220
4112331013133320
51242042321443
6102114244040
712354316362
oct2675073770
9884603586
10385120248
111884325a7
12a8b86620
1361a31906
143920dd32
1523c24a83
hex16f477f8

385120248 has 16 divisors (see below), whose sum is σ = 962800680. Its totient is φ = 128373408.

The previous prime is 385120237. The next prime is 385120271. The reversal of 385120248 is 842021583.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8023315 + ... + 8023362.

Almost surely, 2385120248 is an apocalyptic number.

It is an amenable number.

385120248 is an abundant number, since it is smaller than the sum of its proper divisors (577680432).

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

385120248 is a wasteful number, since it uses less digits than its factorization.

385120248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16046686 (or 16046682 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 385120248 is about 19624.4808338972. The cubic root of 385120248 is about 727.5543653944.

The spelling of 385120248 in words is "three hundred eighty-five million, one hundred twenty thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 24 16046677 32093354 48140031 64186708 96280062 128373416 192560124 385120248