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331429248 = 27321731663
BaseRepresentation
bin10011110000010…
…011010110000000
3212002122100110100
4103300103112000
51134321213443
652515402400
711133050013
oct2360232600
9762570410
10331429248
111600a0777
1292bb3400
13538834a7
143203537a
151e16b3d3
hex13c13580

331429248 has 96 divisors (see below), whose sum is σ = 959811840. Its totient is φ = 109771776.

The previous prime is 331429247. The next prime is 331429249. The reversal of 331429248 is 842924133.

It is an interprime number because it is at equal distance from previous prime (331429247) and next prime (331429249).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331429243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198465 + ... + 200127.

It is an arithmetic number, because the mean of its divisors is an integer number (9998040).

Almost surely, 2331429248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331429248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (479905920).

331429248 is an abundant number, since it is smaller than the sum of its proper divisors (628382592).

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

331429248 is a wasteful number, since it uses less digits than its factorization.

331429248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856 (or 1841 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 331429248 is about 18205.1983784852. The cubic root of 331429248 is about 692.0385334997.

The spelling of 331429248 in words is "three hundred thirty-one million, four hundred twenty-nine thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 173 192 288 346 384 519 576 692 1038 1152 1384 1557 1663 2076 2768 3114 3326 4152 4989 5536 6228 6652 8304 9978 11072 12456 13304 14967 16608 19956 22144 24912 26608 29934 33216 39912 49824 53216 59868 66432 79824 99648 106432 119736 159648 199296 212864 239472 287699 319296 478944 575398 638592 863097 957888 1150796 1726194 1915776 2301592 2589291 3452388 4603184 5178582 6904776 9206368 10357164 13809552 18412736 20714328 27619104 36825472 41428656 55238208 82857312 110476416 165714624 331429248