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148169904 = 24319374391
BaseRepresentation
bin10001101010011…
…10010010110000
3101022210210220020
420311032102300
5300412414104
622411443440
73446265141
oct1065162260
9338723806
10148169904
1176702273
1241756580
132490abcc
141596dac8
15d01c2d9
hex8d4e4b0

148169904 has 80 divisors (see below), whose sum is σ = 413902080. Its totient is φ = 45515520.

The previous prime is 148169891. The next prime is 148169947. The reversal of 148169904 is 409961841.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31549 + ... + 35939.

It is an arithmetic number, because the mean of its divisors is an integer number (5173776).

Almost surely, 2148169904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 148169904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206951040).

148169904 is an abundant number, since it is smaller than the sum of its proper divisors (265732176).

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

148169904 is a wasteful number, since it uses less digits than its factorization.

148169904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4458 (or 4452 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 148169904 is about 12172.5060690065. The cubic root of 148169904 is about 529.1595841682.

The spelling of 148169904 in words is "one hundred forty-eight million, one hundred sixty-nine thousand, nine hundred four".

Divisors: 1 2 3 4 6 8 12 16 19 24 37 38 48 57 74 76 111 114 148 152 222 228 296 304 444 456 592 703 888 912 1406 1776 2109 2812 4218 4391 5624 8436 8782 11248 13173 16872 17564 26346 33744 35128 52692 70256 83429 105384 162467 166858 210768 250287 324934 333716 487401 500574 649868 667432 974802 1001148 1299736 1334864 1949604 2002296 2599472 3086873 3899208 4004592 6173746 7798416 9260619 12347492 18521238 24694984 37042476 49389968 74084952 148169904