Search a number
-
+
139860148 = 222337181227
BaseRepresentation
bin10000101011000…
…01100010110100
3100202011122001111
420111201202310
5241301011043
621513404404
73315535351
oct1025414264
9322148044
10139860148
1171a46aaa
123aa09704
1322c8b7ac
1414809628
15c42a09d
hex85618b4

139860148 has 48 divisors (see below), whose sum is σ = 264910464. Its totient is φ = 64437120.

The previous prime is 139860103. The next prime is 139860167. The reversal of 139860148 is 841068931.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 139860148.

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 15 ways as a sum of consecutive naturals, for example, 616011 + ... + 616237.

It is an arithmetic number, because the mean of its divisors is an integer number (5518968).

Almost surely, 2139860148 is an apocalyptic number.

It is an amenable number.

139860148 is a deficient number, since it is larger than the sum of its proper divisors (125050316).

139860148 is a wasteful number, since it uses less digits than its factorization.

139860148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 139860148 is about 11826.2482639255. The cubic root of 139860148 is about 519.0764524176.

The spelling of 139860148 in words is "one hundred thirty-nine million, eight hundred sixty thousand, one hundred forty-eight".

Divisors: 1 2 4 23 37 46 74 92 148 181 227 362 454 724 851 908 1702 3404 4163 5221 6697 8326 8399 10442 13394 16652 16798 20884 26788 33596 41087 82174 154031 164348 193177 308062 386354 616124 772708 945001 1520219 1890002 3040438 3780004 6080876 34965037 69930074 139860148