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149013452 = 22738913681
BaseRepresentation
bin10001110000111…
…00001111001100
3101101101200000202
420320130033030
5301121412302
622441513032
73456410360
oct1070341714
9341350022
10149013452
1177129015
1241aa2778
1324b44b53
1415b0d2a0
15d137202
hex8e1c3cc

149013452 has 24 divisors (see below), whose sum is σ = 298814880. Its totient is φ = 63694080.

The previous prime is 149013419. The next prime is 149013461. The reversal of 149013452 is 254310941.

It is a super-3 number, since 3×1490134523 (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4052 + ... + 17732.

It is an arithmetic number, because the mean of its divisors is an integer number (12450620).

Almost surely, 2149013452 is an apocalyptic number.

It is an amenable number.

149013452 is an abundant number, since it is smaller than the sum of its proper divisors (149801428).

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

149013452 is a wasteful number, since it uses less digits than its factorization.

149013452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14081 (or 14079 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 149013452 is about 12207.1066186873. The cubic root of 149013452 is about 530.1618729479.

The spelling of 149013452 in words is "one hundred forty-nine million, thirteen thousand, four hundred fifty-two".

Divisors: 1 2 4 7 14 28 389 778 1556 2723 5446 10892 13681 27362 54724 95767 191534 383068 5321909 10643818 21287636 37253363 74506726 149013452