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389679201 = 3343335641
BaseRepresentation
bin10111001110100…
…000100001100001
31000011020202101000
4113032200201201
51244224213301
6102400102213
712441134652
oct2716404141
91004222330
10389679201
1118aa6682a
12aa604969
1362969a12
1439a79529
1524325786
hex173a0861

389679201 has 16 divisors (see below), whose sum is σ = 590729920. Its totient is φ = 253743840.

The previous prime is 389679187. The next prime is 389679203. The reversal of 389679201 is 102976983.

389679201 is a `hidden beast` number, since 389 + 67 + 9 + 201 = 666.

It is not a de Polignac number, because 389679201 - 211 = 389677153 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (389679203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166660 + ... + 168981.

It is an arithmetic number, because the mean of its divisors is an integer number (36920620).

Almost surely, 2389679201 is an apocalyptic number.

It is an amenable number.

389679201 is a deficient number, since it is larger than the sum of its proper divisors (201050719).

389679201 is a wasteful number, since it uses less digits than its factorization.

389679201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335693 (or 335687 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 389679201 is about 19740.2938427978. The cubic root of 389679201 is about 730.4139773646.

The spelling of 389679201 in words is "three hundred eighty-nine million, six hundred seventy-nine thousand, two hundred one".

Divisors: 1 3 9 27 43 129 387 1161 335641 1006923 3020769 9062307 14432563 43297689 129893067 389679201