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146473680 = 24353371811
BaseRepresentation
bin10001011101100…
…00001011010000
3101012121122010010
420232300023100
5244444124210
622311234520
73426001653
oct1056601320
9335548103
10146473680
1175753931
1241078a40
1324465b22
141564b89a
15ccd4920
hex8bb02d0

146473680 has 80 divisors (see below), whose sum is σ = 455667264. Its totient is φ = 38922240.

The previous prime is 146473673. The next prime is 146473699. The reversal of 146473680 is 86374641.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79975 + ... + 81785.

Almost surely, 2146473680 is an apocalyptic number.

146473680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 146473680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227833632).

146473680 is an abundant number, since it is smaller than the sum of its proper divisors (309193584).

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

146473680 is a wasteful number, since it uses less digits than its factorization.

146473680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2164 (or 2158 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 146473680 is about 12102.6311188931. The cubic root of 146473680 is about 527.1325863282.

It can be divided in two parts, 146473 and 680, that added together give a triangular number (147153 = T542).

The spelling of 146473680 in words is "one hundred forty-six million, four hundred seventy-three thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 337 674 1011 1348 1685 1811 2022 2696 3370 3622 4044 5055 5392 5433 6740 7244 8088 9055 10110 10866 13480 14488 16176 18110 20220 21732 26960 27165 28976 36220 40440 43464 54330 72440 80880 86928 108660 144880 217320 434640 610307 1220614 1830921 2441228 3051535 3661842 4882456 6103070 7323684 9154605 9764912 12206140 14647368 18309210 24412280 29294736 36618420 48824560 73236840 146473680