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148685688 = 23322338863
BaseRepresentation
bin10001101110011…
…00001101111000
3101100210000102100
420313030031320
5301030420223
622430503400
73453543654
oct1067141570
9340700370
10148685688
1176a24838
1241964b60
1324a5b8c8
1415a65a64
15d0c0043
hex8dcc378

148685688 has 48 divisors (see below), whose sum is σ = 404464320. Its totient is φ = 49343616.

The previous prime is 148685671. The next prime is 148685699. The reversal of 148685688 is 886586841.

148685688 is a `hidden beast` number, since 1 + 486 + 85 + 6 + 88 = 666.

148685688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12345 + ... + 21207.

It is an arithmetic number, because the mean of its divisors is an integer number (8426340).

Almost surely, 2148685688 is an apocalyptic number.

148685688 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

148685688 is an abundant number, since it is smaller than the sum of its proper divisors (255778632).

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

148685688 is a wasteful number, since it uses less digits than its factorization.

148685688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9108 (or 9101 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 54.

The square root of 148685688 is about 12193.6740976623. The cubic root of 148685688 is about 529.7728800213.

The spelling of 148685688 in words is "one hundred forty-eight million, six hundred eighty-five thousand, six hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 233 466 699 932 1398 1864 2097 2796 4194 5592 8388 8863 16776 17726 26589 35452 53178 70904 79767 106356 159534 212712 319068 638136 2065079 4130158 6195237 8260316 12390474 16520632 18585711 24780948 37171422 49561896 74342844 148685688