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72833136 = 2433148947
BaseRepresentation
bin1000101011101…
…01100001110000
312002001022021120
410111311201300
5122121130021
611121022240
71543033335
oct425654160
9162038246
1072833136
1138126682
1220484980
131212123c
14995c98c
1565da2c6
hex4575870

72833136 has 40 divisors (see below), whose sum is σ = 194225664. Its totient is φ = 23494080.

The previous prime is 72833113. The next prime is 72833143. The reversal of 72833136 is 63133827.

It is a junction number, because it is equal to n+sod(n) for n = 72833097 and 72833106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22986 + ... + 25961.

Almost surely, 272833136 is an apocalyptic number.

It is an amenable number.

72833136 is an abundant number, since it is smaller than the sum of its proper divisors (121392528).

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

72833136 is a wasteful number, since it uses less digits than its factorization.

72833136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48989 (or 48983 counting only the distinct ones).

The product of its digits is 18144, while the sum is 33.

The square root of 72833136 is about 8534.2331817217. The cubic root of 72833136 is about 417.6152377699.

The spelling of 72833136 in words is "seventy-two million, eight hundred thirty-three thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 16 24 31 48 62 93 124 186 248 372 496 744 1488 48947 97894 146841 195788 293682 391576 587364 783152 1174728 1517357 2349456 3034714 4552071 6069428 9104142 12138856 18208284 24277712 36416568 72833136