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384860685 = 351116713967
BaseRepresentation
bin10110111100001…
…000001000001101
3222211011221121110
4112330020020031
51242011020220
6102104522233
712352155546
oct2674101015
9884157543
10384860685
11188275590
12a8a80379
1361970721
14391834cd
1523bc2be0
hex16f0820d

384860685 has 32 divisors (see below), whose sum is σ = 675827712. Its totient is φ = 185468480.

The previous prime is 384860677. The next prime is 384860687. The reversal of 384860685 is 586068483.

It is not a de Polignac number, because 384860685 - 23 = 384860677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384860687) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20572 + ... + 34538.

It is an arithmetic number, because the mean of its divisors is an integer number (21119616).

Almost surely, 2384860685 is an apocalyptic number.

It is an amenable number.

384860685 is a deficient number, since it is larger than the sum of its proper divisors (290967027).

384860685 is a wasteful number, since it uses less digits than its factorization.

384860685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14153.

The product of its (nonzero) digits is 1105920, while the sum is 48.

The square root of 384860685 is about 19617.8664742117. The cubic root of 384860685 is about 727.3908765129.

The spelling of 384860685 in words is "three hundred eighty-four million, eight hundred sixty thousand, six hundred eighty-five".

Divisors: 1 3 5 11 15 33 55 165 167 501 835 1837 2505 5511 9185 13967 27555 41901 69835 153637 209505 460911 768185 2304555 2332489 6997467 11662445 25657379 34987335 76972137 128286895 384860685