Search a number
-
+
139763464 = 2373892689
BaseRepresentation
bin10000101010010…
…01111100001000
3100201222201102121
420111021330020
5241234412324
621511341024
73314653441
oct1025117410
9321881377
10139763464
11719903a5
123a981774
1322c56799
14147c22c8
15c40b5e4
hex8549f08

139763464 has 32 divisors (see below), whose sum is σ = 268731000. Its totient is φ = 68124672.

The previous prime is 139763461. The next prime is 139763483. The reversal of 139763464 is 464367931.

It can be written as a sum of positive squares in 4 ways, for example, as 64802500 + 74960964 = 8050^2 + 8658^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 139763464.

It is not an unprimeable number, because it can be changed into a prime (139763461) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 50632 + ... + 53320.

Almost surely, 2139763464 is an apocalyptic number.

It is an amenable number.

139763464 is a deficient number, since it is larger than the sum of its proper divisors (128967536).

139763464 is a wasteful number, since it uses less digits than its factorization.

139763464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857 (or 2853 counting only the distinct ones).

The product of its digits is 326592, while the sum is 43.

The square root of 139763464 is about 11822.1598703452. The cubic root of 139763464 is about 518.9568139612.

The spelling of 139763464 in words is "one hundred thirty-nine million, seven hundred sixty-three thousand, four hundred sixty-four".

Divisors: 1 2 4 8 73 89 146 178 292 356 584 712 2689 5378 6497 10756 12994 21512 25988 51976 196297 239321 392594 478642 785188 957284 1570376 1914568 17470433 34940866 69881732 139763464