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148193980 = 22511673609
BaseRepresentation
bin10001101010101…
…00001010111100
3101022212000220221
420311110022330
5300414201410
622412151124
73446425264
oct1065241274
9338760827
10148193980
1176719370
12417684a4
1324918b5c
14159787a4
15d0244da
hex8d542bc

148193980 has 24 divisors (see below), whose sum is σ = 339499440. Its totient is φ = 53888640.

The previous prime is 148193957. The next prime is 148193987. The reversal of 148193980 is 89391841.

It is a super-2 number, since 2×1481939802 = 43922911416480800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148193987) by changing a digit.

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, 336585 + ... + 337024.

It is an arithmetic number, because the mean of its divisors is an integer number (14145810).

Almost surely, 2148193980 is an apocalyptic number.

148193980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148193980 is an abundant number, since it is smaller than the sum of its proper divisors (191305460).

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

148193980 is a wasteful number, since it uses less digits than its factorization.

148193980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673629 (or 673627 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 148193980 is about 12173.4949788465. The cubic root of 148193980 is about 529.1882435109.

The spelling of 148193980 in words is "one hundred forty-eight million, one hundred ninety-three thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 673609 1347218 2694436 3368045 6736090 7409699 13472180 14819398 29638796 37048495 74096990 148193980