Search a number
-
+
149886192 = 2436914519
BaseRepresentation
bin10001110111100…
…01010011110000
3101110001000012110
420323301103300
5301332324232
622512325320
73500003661
oct1073612360
9343030173
10149886192
1177674795
1242243840
132508c171
1415c99368
15d25aacc
hex8ef14f0

149886192 has 40 divisors (see below), whose sum is σ = 387852160. Its totient is φ = 49878720.

The previous prime is 149886179. The next prime is 149886199. The reversal of 149886192 is 291688941.

149886192 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149886199) 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, 30909 + ... + 35427.

It is an arithmetic number, because the mean of its divisors is an integer number (9696304).

Almost surely, 2149886192 is an apocalyptic number.

149886192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

149886192 is an abundant number, since it is smaller than the sum of its proper divisors (237965968).

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

149886192 is a wasteful number, since it uses less digits than its factorization.

149886192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5221 (or 5215 counting only the distinct ones).

The product of its digits is 248832, while the sum is 48.

The square root of 149886192 is about 12242.8016401476. The cubic root of 149886192 is about 531.1948738739.

The spelling of 149886192 in words is "one hundred forty-nine million, eight hundred eighty-six thousand, one hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 691 1382 2073 2764 4146 4519 5528 8292 9038 11056 13557 16584 18076 27114 33168 36152 54228 72304 108456 216912 3122629 6245258 9367887 12490516 18735774 24981032 37471548 49962064 74943096 149886192