Search a number
-
+
331799888 = 24719155921
BaseRepresentation
bin10011110001101…
…101110101010000
3212010100011212202
4103301231311100
51134420044023
652531342332
711136152420
oct2361556520
9763304782
10331799888
11160324192
12931519a8
13539830c4
14320d0480
151e1e1128
hex13c6dd50

331799888 has 40 divisors (see below), whose sum is σ = 773373120. Its totient is φ = 134714880.

The previous prime is 331799861. The next prime is 331799891. The reversal of 331799888 is 888997133.

331799888 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3317998882 = 220182331353625088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75833 + ... + 80088.

It is an arithmetic number, because the mean of its divisors is an integer number (19334328).

Almost surely, 2331799888 is an apocalyptic number.

331799888 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

331799888 is an abundant number, since it is smaller than the sum of its proper divisors (441573232).

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

331799888 is a wasteful number, since it uses less digits than its factorization.

331799888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155955 (or 155949 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 56.

The square root of 331799888 is about 18215.3750441763. The cubic root of 331799888 is about 692.2964081529.

The spelling of 331799888 in words is "three hundred thirty-one million, seven hundred ninety-nine thousand, eight hundred eighty-eight".

Divisors: 1 2 4 7 8 14 16 19 28 38 56 76 112 133 152 266 304 532 1064 2128 155921 311842 623684 1091447 1247368 2182894 2494736 2962499 4365788 5924998 8731576 11849996 17463152 20737493 23699992 41474986 47399984 82949972 165899944 331799888