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148257028 = 2259816197
BaseRepresentation
bin10001101011000…
…11100100000100
3101022222020102001
420311203210010
5300423211103
622413355044
73450110143
oct1065434404
9338866361
10148257028
1176761777
1241798a84
132493b76a
141599375a
15d03801d
hex8d63904

148257028 has 12 divisors (see below), whose sum is σ = 259535052. Its totient is φ = 74104160.

The previous prime is 148256987. The next prime is 148257037. The reversal of 148257028 is 820752841.

It can be written as a sum of positive squares in 2 ways, for example, as 24780484 + 123476544 = 4978^2 + 11112^2 .

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 3 ways as a sum of consecutive naturals, for example, 20826 + ... + 27022.

It is an arithmetic number, because the mean of its divisors is an integer number (21627921).

Almost surely, 2148257028 is an apocalyptic number.

It is an amenable number.

148257028 is a deficient number, since it is larger than the sum of its proper divisors (111278024).

148257028 is a wasteful number, since it uses less digits than its factorization.

148257028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12182 (or 12180 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 148257028 is about 12176.0842638346. The cubic root of 148257028 is about 529.2632792399.

The spelling of 148257028 in words is "one hundred forty-eight million, two hundred fifty-seven thousand, twenty-eight".

Divisors: 1 2 4 5981 6197 11962 12394 23924 24788 37064257 74128514 148257028