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148712258 = 286232
BaseRepresentation
bin10001101110100…
…10101101000010
3101100211100212102
420313102231002
5301032243013
622431230402
73454014302
oct1067225502
9340740772
10148712258
1176a427a2
1241978402
1324a6aa26
1415a71602
15d0c7d58
hex8dd2b42

148712258 has 6 divisors (see below), whose sum is σ = 223094259. Its totient is φ = 74347506.

The previous prime is 148712237. The next prime is 148712293. The reversal of 148712258 is 852217841.

It can be written as a sum of positive squares in only one way, i.e., 74356129 + 74356129 = 8623^2 + 8623^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=8623.

It is a Duffinian number.

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 2 ways as a sum of consecutive naturals, for example, 12935 + ... + 21557.

Almost surely, 2148712258 is an apocalyptic number.

148712258 is a deficient number, since it is larger than the sum of its proper divisors (74382001).

148712258 is an frugal number, since it uses more digits than its factorization.

148712258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17248 (or 8625 counting only the distinct ones).

The product of its digits is 35840, while the sum is 38.

The square root of 148712258 is about 12194.7635483432. The cubic root of 148712258 is about 529.8044347891.

The spelling of 148712258 in words is "one hundred forty-eight million, seven hundred twelve thousand, two hundred fifty-eight".

Divisors: 1 2 8623 17246 74356129 148712258