Search a number
-
+
398882120 = 235713109583
BaseRepresentation
bin10111110001100…
…111010101001000
31000210120022101212
4113301213111020
51304103211440
6103325232252
712612304430
oct2761472510
91023508355
10398882120
1119518204a
12b1702688
136483c830
143ad932c0
1525042465
hex17c67548

398882120 has 64 divisors (see below), whose sum is σ = 1104606720. Its totient is φ = 126238464.

The previous prime is 398882119. The next prime is 398882129. The reversal of 398882120 is 21288893.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (398882129) 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, 51152 + ... + 58431.

It is an arithmetic number, because the mean of its divisors is an integer number (17259480).

Almost surely, 2398882120 is an apocalyptic number.

It is an amenable number.

398882120 is an abundant number, since it is smaller than the sum of its proper divisors (705724600).

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

398882120 is a wasteful number, since it uses less digits than its factorization.

398882120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109614 (or 109610 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 398882120 is about 19972.0334467975. The cubic root of 398882120 is about 736.1192751322.

The spelling of 398882120 in words is "three hundred ninety-eight million, eight hundred eighty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 13 14 20 26 28 35 40 52 56 65 70 91 104 130 140 182 260 280 364 455 520 728 910 1820 3640 109583 219166 438332 547915 767081 876664 1095830 1424579 1534162 2191660 2849158 3068324 3835405 4383320 5698316 6136648 7122895 7670810 9972053 11396632 14245790 15341620 19944106 28491580 30683240 39888212 49860265 56983160 79776424 99720530 199441060 398882120