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149819952 = 2433121249
BaseRepresentation
bin10001110111000…
…01001000110000
3101102220122100010
420323201020300
5301323214302
622511054520
73466306602
oct1073411060
9342818303
10149819952
1177629a47
1242211440
1325067c79
1415c7d172
15d24616c
hex8ee1230

149819952 has 20 divisors (see below), whose sum is σ = 387035000. Its totient is φ = 49939968.

The previous prime is 149819951. The next prime is 149819977. The reversal of 149819952 is 259918941.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 3121249 = 149819952 / (1 + 4 + 9 + 8 + 1 + 9 + 9 + 5 + 2).

It is not an unprimeable number, because it can be changed into a prime (149819951) 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 3 ways as a sum of consecutive naturals, for example, 1560577 + ... + 1560672.

It is an arithmetic number, because the mean of its divisors is an integer number (19351750).

Almost surely, 2149819952 is an apocalyptic number.

149819952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

149819952 is an abundant number, since it is smaller than the sum of its proper divisors (237215048).

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

149819952 is a wasteful number, since it uses less digits than its factorization.

149819952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3121260 (or 3121254 counting only the distinct ones).

The product of its digits is 233280, while the sum is 48.

The square root of 149819952 is about 12240.0960780543. The cubic root of 149819952 is about 531.1166110875.

The spelling of 149819952 in words is "one hundred forty-nine million, eight hundred nineteen thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 3121249 6242498 9363747 12484996 18727494 24969992 37454988 49939984 74909976 149819952