Search a number
-
+
149990346 = 23311252509
BaseRepresentation
bin10001111000010…
…10101111001010
3101110020022002000
420330022233022
5301344142341
622514451430
73500616432
oct1074125712
9343208060
10149990346
1177735a70
1242293b76
13250c76ac
1415cc52c2
15d27b8b6
hex8f0abca

149990346 has 32 divisors (see below), whose sum is σ = 363614400. Its totient is φ = 45451440.

The previous prime is 149990329. The next prime is 149990359. The reversal of 149990346 is 643099941.

149990346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125661 + ... + 126848.

It is an arithmetic number, because the mean of its divisors is an integer number (11362950).

Almost surely, 2149990346 is an apocalyptic number.

149990346 is an abundant number, since it is smaller than the sum of its proper divisors (213624054).

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

149990346 is a wasteful number, since it uses less digits than its factorization.

149990346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252531 (or 252525 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 149990346 is about 12247.0545846746. The cubic root of 149990346 is about 531.3178855625.

The spelling of 149990346 in words is "one hundred forty-nine million, nine hundred ninety thousand, three hundred forty-six".

Divisors: 1 2 3 6 9 11 18 22 27 33 54 66 99 198 297 594 252509 505018 757527 1515054 2272581 2777599 4545162 5555198 6817743 8332797 13635486 16665594 24998391 49996782 74995173 149990346