Search a number
-
+
149023104 = 273388081
BaseRepresentation
bin10001110000111…
…10100110000000
3101101102011021020
420320132212000
5301122214404
622442025440
73456450456
oct1070364600
9341364236
10149023104
117713529a
1241aa8280
1324b49369
1415b129d6
15d139ed9
hex8e1e980

149023104 has 32 divisors (see below), whose sum is σ = 395843640. Its totient is φ = 49674240.

The previous prime is 149023067. The next prime is 149023109. The reversal of 149023104 is 401320941.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149023109) 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 3 ways as a sum of consecutive naturals, for example, 193657 + ... + 194424.

Almost surely, 2149023104 is an apocalyptic number.

It is an amenable number.

149023104 is an abundant number, since it is smaller than the sum of its proper divisors (246820536).

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

149023104 is an equidigital number, since it uses as much as digits as its factorization.

149023104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388098 (or 388086 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 149023104 is about 12207.5019557647. The cubic root of 149023104 is about 530.1733193685.

The spelling of 149023104 in words is "one hundred forty-nine million, twenty-three thousand, one hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 388081 776162 1164243 1552324 2328486 3104648 4656972 6209296 9313944 12418592 18627888 24837184 37255776 49674368 74511552 149023104