Search a number
-
+
331244292 = 2231032631019
BaseRepresentation
bin10011101111100…
…110001100000100
3212002021221202010
4103233212030010
51134244304132
652511414220
711131346541
oct2357461404
9762257663
10331244292
1115aa84815
1292b24370
135381a252
1431dc7bc8
151e1316cc
hex13be6304

331244292 has 48 divisors (see below), whose sum is σ = 784143360. Its totient is φ = 108820128.

The previous prime is 331244281. The next prime is 331244317. The reversal of 331244292 is 292442133.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324559 + ... + 325577.

It is an arithmetic number, because the mean of its divisors is an integer number (16336320).

Almost surely, 2331244292 is an apocalyptic number.

It is an amenable number.

331244292 is an abundant number, since it is smaller than the sum of its proper divisors (452899068).

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

331244292 is a wasteful number, since it uses less digits than its factorization.

331244292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392 (or 1390 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 331244292 is about 18200.1179117060. The cubic root of 331244292 is about 691.9097775164.

The spelling of 331244292 in words is "three hundred thirty-one million, two hundred forty-four thousand, two hundred ninety-two".

Divisors: 1 2 3 4 6 12 103 206 263 309 412 526 618 789 1019 1052 1236 1578 2038 3057 3156 4076 6114 12228 27089 54178 81267 104957 108356 162534 209914 267997 314871 325068 419828 535994 629742 803991 1071988 1259484 1607982 3215964 27603691 55207382 82811073 110414764 165622146 331244292