Search a number
-
+
146977925 = 5222925673
BaseRepresentation
bin10001100001010…
…11010010000101
3101020120020210212
420300223102011
5300111243200
622330125205
73433202033
oct1060532205
9336506725
10146977925
1175a68766
1241280805
13245b14b3
141573d553
15cd84035
hex8c2b485

146977925 has 12 divisors (see below), whose sum is σ = 183055620. Its totient is φ = 117064320.

The previous prime is 146977891. The next prime is 146977931. The reversal of 146977925 is 529779641.

It can be written as a sum of positive squares in 6 ways, for example, as 13667809 + 133310116 = 3697^2 + 11546^2 .

It is not a de Polignac number, because 146977925 - 28 = 146977669 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7112 + ... + 18561.

It is an arithmetic number, because the mean of its divisors is an integer number (15254635).

Almost surely, 2146977925 is an apocalyptic number.

It is an amenable number.

146977925 is a deficient number, since it is larger than the sum of its proper divisors (36077695).

146977925 is a wasteful number, since it uses less digits than its factorization.

146977925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25912 (or 25907 counting only the distinct ones).

The product of its digits is 952560, while the sum is 50.

The square root of 146977925 is about 12123.4452611459. The cubic root of 146977925 is about 527.7367893889.

It can be divided in two parts, 14697 and 7925, that added together give a palindrome (22622).

The spelling of 146977925 in words is "one hundred forty-six million, nine hundred seventy-seven thousand, nine hundred twenty-five".

Divisors: 1 5 25 229 1145 5725 25673 128365 641825 5879117 29395585 146977925