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149840502 = 2373567631
BaseRepresentation
bin10001110111001…
…10001001110110
3101102221200112020
420323212021312
5301324344002
622511334010
73466423530
oct1073461166
9342850466
10149840502
1177643429
1242221306
1325074426
1415c86850
15d24c2bc
hex8ee6276

149840502 has 16 divisors (see below), whose sum is σ = 342492672. Its totient is φ = 42811560.

The previous prime is 149840443. The next prime is 149840503. The reversal of 149840502 is 205048941.

149840502 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1498405022 = 44904352079224008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149840503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1783774 + ... + 1783857.

It is an arithmetic number, because the mean of its divisors is an integer number (21405792).

Almost surely, 2149840502 is an apocalyptic number.

149840502 is an abundant number, since it is smaller than the sum of its proper divisors (192652170).

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

149840502 is a wasteful number, since it uses less digits than its factorization.

149840502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3567643.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 149840502 is about 12240.9355034654. The cubic root of 149840502 is about 531.1408934505.

The spelling of 149840502 in words is "one hundred forty-nine million, eight hundred forty thousand, five hundred two".

Divisors: 1 2 3 6 7 14 21 42 3567631 7135262 10702893 21405786 24973417 49946834 74920251 149840502