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149960866 = 21124314411
BaseRepresentation
bin10001111000000…
…11100010100010
3101110011210122011
420330003202202
5301342221431
622514103134
73500434456
oct1074034242
9343153564
10149960866
1177715900
124227aaaa
13250b7153
1415cb8666
15d272cb1
hex8f038a2

149960866 has 24 divisors (see below), whose sum is σ = 253017072. Its totient is φ = 66574200.

The previous prime is 149960843. The next prime is 149960869. The reversal of 149960866 is 668069941.

It is a super-2 number, since 2×1499608662 = 44976522662939912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (149960869) 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 11 ways as a sum of consecutive naturals, for example, 3201 + ... + 17611.

It is an arithmetic number, because the mean of its divisors is an integer number (10542378).

Almost surely, 2149960866 is an apocalyptic number.

149960866 is a deficient number, since it is larger than the sum of its proper divisors (103056206).

149960866 is a wasteful number, since it uses less digits than its factorization.

149960866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14478 (or 14467 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 49.

The square root of 149960866 is about 12245.8509708391. The cubic root of 149960866 is about 531.2830738163.

The spelling of 149960866 in words is "one hundred forty-nine million, nine hundred sixty thousand, eight hundred sixty-six".

Divisors: 1 2 11 22 43 86 121 242 473 946 5203 10406 14411 28822 158521 317042 619673 1239346 1743731 3487462 6816403 13632806 74980433 149960866