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148013685 = 32531106103
BaseRepresentation
bin10001101001010…
…00001001110101
3101022111212121100
420310220021311
5300342414220
622404240313
73445044531
oct1064501165
9338455540
10148013685
1176605966
12416a0099
1324884a81
141592cbc1
15cedad90
hex8d28275

148013685 has 24 divisors (see below), whose sum is σ = 264835584. Its totient is φ = 76393440.

The previous prime is 148013681. The next prime is 148013687. The reversal of 148013685 is 586310841.

It is not a de Polignac number, because 148013685 - 22 = 148013681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148013681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51657 + ... + 54446.

It is an arithmetic number, because the mean of its divisors is an integer number (11034816).

Almost surely, 2148013685 is an apocalyptic number.

148013685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

148013685 is a deficient number, since it is larger than the sum of its proper divisors (116821899).

148013685 is a wasteful number, since it uses less digits than its factorization.

148013685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106145 (or 106142 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 148013685 is about 12166.0874976305. The cubic root of 148013685 is about 528.9735503253.

The spelling of 148013685 in words is "one hundred forty-eight million, thirteen thousand, six hundred eighty-five".

Divisors: 1 3 5 9 15 31 45 93 155 279 465 1395 106103 318309 530515 954927 1591545 3289193 4774635 9867579 16445965 29602737 49337895 148013685