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149272 = 2347397
BaseRepresentation
bin100100011100011000
321120202121
4210130120
514234042
63111024
71161124
oct443430
9246677
10149272
11a2172
1272474
1352c36
143c584
152e367
hex24718

149272 has 16 divisors (see below), whose sum is σ = 286560. Its totient is φ = 72864.

The previous prime is 149269. The next prime is 149287. The reversal of 149272 is 272941.

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178 + ... + 574.

It is an arithmetic number, because the mean of its divisors is an integer number (17910).

2149272 is an apocalyptic number.

It is an amenable number.

149272 is a deficient number, since it is larger than the sum of its proper divisors (137288).

149272 is a wasteful number, since it uses less digits than its factorization.

149272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450 (or 446 counting only the distinct ones).

The product of its digits is 1008, while the sum is 25.

The square root of 149272 is about 386.3573475424. The cubic root of 149272 is about 53.0468317523.

The spelling of 149272 in words is "one hundred forty-nine thousand, two hundred seventy-two".

Divisors: 1 2 4 8 47 94 188 376 397 794 1588 3176 18659 37318 74636 149272