Search a number
-
+
331212044 = 22619133769
BaseRepresentation
bin10011101111011…
…110010100001100
3212002020022111202
4103233132110030
51134242241134
652511005032
711131153532
oct2357362414
9762208452
10331212044
1115aa62569
1292b09778
1353808677
1431dba152
151e126d7e
hex13bde50c

331212044 has 12 divisors (see below), whose sum is σ = 580561800. Its totient is φ = 165337248.

The previous prime is 331212043. The next prime is 331212059. The reversal of 331212044 is 440212133.

It is not an unprimeable number, because it can be changed into a prime (331212043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64409 + ... + 69360.

It is an arithmetic number, because the mean of its divisors is an integer number (48380150).

Almost surely, 2331212044 is an apocalyptic number.

It is an amenable number.

331212044 is a deficient number, since it is larger than the sum of its proper divisors (249349756).

331212044 is a wasteful number, since it uses less digits than its factorization.

331212044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134392 (or 134390 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 331212044 is about 18199.2319618164. The cubic root of 331212044 is about 691.8873233629.

Adding to 331212044 its reverse (440212133), we get a palindrome (771424177).

The spelling of 331212044 in words is "three hundred thirty-one million, two hundred twelve thousand, forty-four".

Divisors: 1 2 4 619 1238 2476 133769 267538 535076 82803011 165606022 331212044