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389346801 = 31710970039
BaseRepresentation
bin10111001101001…
…111010111110001
31000010121212101220
4113031033113301
51244133044201
6102345015253
712435251604
oct2715172761
91003555356
10389346801
1118a85a018
12aa484529
136288162c
14399d033b
15242ac036
hex1734f5f1

389346801 has 16 divisors (see below), whose sum is σ = 554716800. Its totient is φ = 242051328.

The previous prime is 389346757. The next prime is 389346817. The reversal of 389346801 is 108643983.

It is a happy number.

It is not a de Polignac number, because 389346801 - 29 = 389346289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (389346871) 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, 29461 + ... + 40578.

It is an arithmetic number, because the mean of its divisors is an integer number (34669800).

Almost surely, 2389346801 is an apocalyptic number.

It is an amenable number.

389346801 is a deficient number, since it is larger than the sum of its proper divisors (165369999).

389346801 is a wasteful number, since it uses less digits than its factorization.

389346801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70168.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 389346801 is about 19731.8727190300. The cubic root of 389346801 is about 730.2062349686.

The spelling of 389346801 in words is "three hundred eighty-nine million, three hundred forty-six thousand, eight hundred one".

Divisors: 1 3 17 51 109 327 1853 5559 70039 210117 1190663 3571989 7634251 22902753 129782267 389346801