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149620212 = 223271931249
BaseRepresentation
bin10001110101100…
…00010111110100
3101102112111100100
420322300113310
5301300321322
622502514100
73464515350
oct1072602764
9342474310
10149620212
1177502975
1242135930
1324cc8091
1415c2a460
15d206dac
hex8eb05f4

149620212 has 72 divisors (see below), whose sum is σ = 455000000. Its totient is φ = 40497408.

The previous prime is 149620201. The next prime is 149620243. The reversal of 149620212 is 212026941.

149620212 is a `hidden beast` number, since 14 + 9 + 620 + 21 + 2 = 666.

149620212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10837 + ... + 20412.

Almost surely, 2149620212 is an apocalyptic number.

149620212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

149620212 is an abundant number, since it is smaller than the sum of its proper divisors (305379788).

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

149620212 is a wasteful number, since it uses less digits than its factorization.

149620212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31285 (or 31280 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 149620212 is about 12231.9341070822. The cubic root of 149620212 is about 530.8804778496.

The spelling of 149620212 in words is "one hundred forty-nine million, six hundred twenty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 9 12 14 18 19 21 28 36 38 42 57 63 76 84 114 126 133 171 228 252 266 342 399 532 684 798 1197 1596 2394 4788 31249 62498 93747 124996 187494 218743 281241 374988 437486 562482 593731 656229 874972 1124964 1187462 1312458 1781193 1968687 2374924 2624916 3562386 3937374 4156117 5343579 7124772 7874748 8312234 10687158 12468351 16624468 21374316 24936702 37405053 49873404 74810106 149620212