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149462028 = 223217244219
BaseRepresentation
bin10001110100010…
…01110000001100
3101102020110100200
420322021300030
5301230241103
622455253500
73463256232
oct1072116014
9342213320
10149462028
1177405041
124207a290
1324c71091
1415bc8952
15d1c50a3
hex8e89c0c

149462028 has 36 divisors (see below), whose sum is σ = 400032360. Its totient is φ = 46889856.

The previous prime is 149462003. The next prime is 149462039. The reversal of 149462028 is 820264941.

149462028 is a `hidden beast` number, since 1 + 4 + 9 + 4 + 620 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 149461983 and 149462001.

It is an unprimeable number.

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, 121498 + ... + 122721.

It is an arithmetic number, because the mean of its divisors is an integer number (11112010).

Almost surely, 2149462028 is an apocalyptic number.

149462028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

149462028 is an abundant number, since it is smaller than the sum of its proper divisors (250570332).

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

149462028 is a wasteful number, since it uses less digits than its factorization.

149462028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244246 (or 244241 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 149462028 is about 12225.4663714723. The cubic root of 149462028 is about 530.6933230790.

The spelling of 149462028 in words is "one hundred forty-nine million, four hundred sixty-two thousand, twenty-eight".

Divisors: 1 2 3 4 6 9 12 17 18 34 36 51 68 102 153 204 306 612 244219 488438 732657 976876 1465314 2197971 2930628 4151723 4395942 8303446 8791884 12455169 16606892 24910338 37365507 49820676 74731014 149462028