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148681356 = 22325149363
BaseRepresentation
bin10001101110010…
…11001010001100
3101100202210110220
420313023022030
5301030300411
622430431340
73453525225
oct1067131214
9340683426
10148681356
1176a2155a
1241962550
1324a59945
1415a6424c
15d0bdb06
hex8dcb28c

148681356 has 24 divisors (see below), whose sum is σ = 348312384. Its totient is φ = 49362000.

The previous prime is 148681349. The next prime is 148681369. The reversal of 148681356 is 653186841.

It is a super-2 number, since 2×1486813562 = 44212291243997472, which contains 22 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, 21670 + ... + 27693.

It is an arithmetic number, because the mean of its divisors is an integer number (14513016).

Almost surely, 2148681356 is an apocalyptic number.

It is an amenable number.

148681356 is an abundant number, since it is smaller than the sum of its proper divisors (199631028).

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

148681356 is a wasteful number, since it uses less digits than its factorization.

148681356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49621 (or 49619 counting only the distinct ones).

The product of its digits is 138240, while the sum is 42.

The square root of 148681356 is about 12193.4964632791. The cubic root of 148681356 is about 529.7677349433.

The spelling of 148681356 in words is "one hundred forty-eight million, six hundred eighty-one thousand, three hundred fifty-six".

Divisors: 1 2 3 4 6 12 251 502 753 1004 1506 3012 49363 98726 148089 197452 296178 592356 12390113 24780226 37170339 49560452 74340678 148681356