Search a number
-
+
149189610 = 2354972987
BaseRepresentation
bin10001110010001…
…11001111101010
3101101201121200010
420321013033222
5301143031420
622445352350
73461043063
oct1071071752
9341647603
10149189610
11772393a9
1241b686b6
1324ba709b
1415b5756a
15d16e4e0
hex8e473ea

149189610 has 16 divisors (see below), whose sum is σ = 358055136. Its totient is φ = 39783888.

The previous prime is 149189581. The next prime is 149189627. The reversal of 149189610 is 16981941.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2486464 + ... + 2486523.

It is an arithmetic number, because the mean of its divisors is an integer number (22378446).

Almost surely, 2149189610 is an apocalyptic number.

149189610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149189610 is an abundant number, since it is smaller than the sum of its proper divisors (208865526).

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

149189610 is a wasteful number, since it uses less digits than its factorization.

149189610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4972997.

The product of its (nonzero) digits is 15552, while the sum is 39.

The square root of 149189610 is about 12214.3198746389. The cubic root of 149189610 is about 530.3707030379.

The spelling of 149189610 in words is "one hundred forty-nine million, one hundred eighty-nine thousand, six hundred ten".

Divisors: 1 2 3 5 6 10 15 30 4972987 9945974 14918961 24864935 29837922 49729870 74594805 149189610