Search a number
-
+
331122044 = 221119396079
BaseRepresentation
bin10011101111001…
…000010101111100
3212002001202001102
4103233020111330
51134231401134
652505032232
711130330251
oct2357102574
9762052042
10331122044
1115aa00990
1292a85678
13537a6706
1431d95428
151e10a37e
hex13bc857c

331122044 has 24 divisors (see below), whose sum is σ = 665414400. Its totient is φ = 142588080.

The previous prime is 331122041. The next prime is 331122049. The reversal of 331122044 is 440221133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331122041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197204 + ... + 198875.

It is an arithmetic number, because the mean of its divisors is an integer number (27725600).

Almost surely, 2331122044 is an apocalyptic number.

It is an amenable number.

331122044 is an abundant number, since it is smaller than the sum of its proper divisors (334292356).

331122044 is a wasteful number, since it uses less digits than its factorization.

331122044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396113 (or 396111 counting only the distinct ones).

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

The square root of 331122044 is about 18196.7591620046. The cubic root of 331122044 is about 691.8246490114.

Adding to 331122044 its reverse (440221133), we get a palindrome (771343177).

The spelling of 331122044 in words is "three hundred thirty-one million, one hundred twenty-two thousand, forty-four".

Divisors: 1 2 4 11 19 22 38 44 76 209 418 836 396079 792158 1584316 4356869 7525501 8713738 15051002 17427476 30102004 82780511 165561022 331122044