Search a number
-
+
228141524 = 221331307461
BaseRepresentation
bin11011001100100…
…10100111010100
3120220021210100002
431212102213110
5431401012044
634345510432
75440112432
oct1546224724
9526253302
10228141524
11107864116
12644a2418
133835b3b0
1422429d52
151506774e
hexd9929d4

228141524 has 48 divisors (see below), whose sum is σ = 446240256. Its totient is φ = 101347200.

The previous prime is 228141523. The next prime is 228141533. The reversal of 228141524 is 425141822.

228141524 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228141523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 494654 + ... + 495114.

It is an arithmetic number, because the mean of its divisors is an integer number (9296672).

Almost surely, 2228141524 is an apocalyptic number.

It is an amenable number.

228141524 is a deficient number, since it is larger than the sum of its proper divisors (218098732).

228141524 is a wasteful number, since it uses less digits than its factorization.

228141524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816 (or 814 counting only the distinct ones).

The product of its digits is 5120, while the sum is 29.

The square root of 228141524 is about 15104.3544714761. The cubic root of 228141524 is about 611.0378497986.

The spelling of 228141524 in words is "two hundred twenty-eight million, one hundred forty-one thousand, five hundred twenty-four".

Divisors: 1 2 4 13 26 31 52 62 124 307 403 461 614 806 922 1228 1612 1844 3991 5993 7982 9517 11986 14291 15964 19034 23972 28582 38068 57164 123721 141527 185783 247442 283054 371566 494884 566108 743132 1839851 3679702 4387337 7359404 8774674 17549348 57035381 114070762 228141524