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385470416 = 24123119571
BaseRepresentation
bin10110111110011…
…100111111010000
3222212022221000002
4112332130333100
51242140023131
6102125545132
712360305312
oct2676347720
9885287002
10385470416
111886516a1
12a91151a8
1361b25106
14392a17b2
1523c936cb
hex16f9cfd0

385470416 has 20 divisors (see below), whose sum is σ = 747493824. Its totient is φ = 192568800.

The previous prime is 385470413. The next prime is 385470443. The reversal of 385470416 is 614074583.

It is a super-2 number, since 2×3854704162 = 297174883222426112, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 385470416.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385470413) 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, 9911 + ... + 29481.

Almost surely, 2385470416 is an apocalyptic number.

It is an amenable number.

385470416 is a deficient number, since it is larger than the sum of its proper divisors (362023408).

385470416 is a wasteful number, since it uses less digits than its factorization.

385470416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20810 (or 20804 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 385470416 is about 19633.4005205415. The cubic root of 385470416 is about 727.7748065704.

The spelling of 385470416 in words is "three hundred eighty-five million, four hundred seventy thousand, four hundred sixteen".

Divisors: 1 2 4 8 16 1231 2462 4924 9848 19571 19696 39142 78284 156568 313136 24091901 48183802 96367604 192735208 385470416