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72683324 = 2274163313
BaseRepresentation
bin1000101010100…
…00111100111100
312001202200202222
410111100330330
5122101331244
611113504512
71541540510
oct425207474
9161680688
1072683324
113803406a
1220412138
131209acac
149920140
1565aabee
hex4550f3c

72683324 has 24 divisors (see below), whose sum is σ = 148914528. Its totient is φ = 30389760.

The previous prime is 72683321. The next prime is 72683353. The reversal of 72683324 is 42338627.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72683321) 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, 30509 + ... + 32804.

It is an arithmetic number, because the mean of its divisors is an integer number (6204772).

Almost surely, 272683324 is an apocalyptic number.

It is an amenable number.

72683324 is an abundant number, since it is smaller than the sum of its proper divisors (76231204).

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

72683324 is a wasteful number, since it uses less digits than its factorization.

72683324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63365 (or 63363 counting only the distinct ones).

The product of its digits is 48384, while the sum is 35.

The square root of 72683324 is about 8525.4515422938. The cubic root of 72683324 is about 417.3287073857.

The spelling of 72683324 in words is "seventy-two million, six hundred eighty-three thousand, three hundred twenty-four".

Divisors: 1 2 4 7 14 28 41 82 164 287 574 1148 63313 126626 253252 443191 886382 1772764 2595833 5191666 10383332 18170831 36341662 72683324