Search a number
-
+
149249130 = 23543127911
BaseRepresentation
bin10001110010101…
…01110001101010
3101101211122022120
420321111301222
5301201433010
622450532110
73461411442
oct1071256152
9341748276
10149249130
117727a098
1241b97036
1324bc81c4
1415b71122
15d181e70
hex8e55c6a

149249130 has 64 divisors (see below), whose sum is σ = 369819648. Its totient is φ = 38525760.

The previous prime is 149249129. The next prime is 149249153. The reversal of 149249130 is 31942941.

149249130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 149249091 and 149249100.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 163375 + ... + 164285.

It is an arithmetic number, because the mean of its divisors is an integer number (5778432).

Almost surely, 2149249130 is an apocalyptic number.

149249130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 149249130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184909824).

149249130 is an abundant number, since it is smaller than the sum of its proper divisors (220570518).

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

149249130 is a wasteful number, since it uses less digits than its factorization.

149249130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 149249130 is about 12216.7561160891. The cubic root of 149249130 is about 530.4412250784.

The spelling of 149249130 in words is "one hundred forty-nine million, two hundred forty-nine thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 43 86 127 129 215 254 258 381 430 635 645 762 911 1270 1290 1822 1905 2733 3810 4555 5461 5466 9110 10922 13665 16383 27305 27330 32766 39173 54610 78346 81915 115697 117519 163830 195865 231394 235038 347091 391730 578485 587595 694182 1156970 1175190 1735455 3470910 4974971 9949942 14924913 24874855 29849826 49749710 74624565 149249130