Search a number
-
+
147226864 = 24231073739
BaseRepresentation
bin10001100011010…
…00000011110000
3101021000220021211
420301220003300
5300142224424
622335325504
73435256561
oct1061500360
9337026254
10147226864
11761187a4
1241380894
132466a8b5
14157a6168
15cdd2b94
hex8c680f0

147226864 has 40 divisors (see below), whose sum is σ = 300516480. Its totient is φ = 69736128.

The previous prime is 147226853. The next prime is 147226867. The reversal of 147226864 is 468622741.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147226867) 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, 37507 + ... + 41245.

It is an arithmetic number, because the mean of its divisors is an integer number (7512912).

Almost surely, 2147226864 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 147226864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150258240).

147226864 is an abundant number, since it is smaller than the sum of its proper divisors (153289616).

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

147226864 is a wasteful number, since it uses less digits than its factorization.

147226864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3877 (or 3871 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 147226864 is about 12133.7077597905. The cubic root of 147226864 is about 528.0345669136.

The spelling of 147226864 in words is "one hundred forty-seven million, two hundred twenty-six thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 16 23 46 92 107 184 214 368 428 856 1712 2461 3739 4922 7478 9844 14956 19688 29912 39376 59824 85997 171994 343988 400073 687976 800146 1375952 1600292 3200584 6401168 9201679 18403358 36806716 73613432 147226864