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72914300 = 2252729143
BaseRepresentation
bin1000101100010…
…01010101111100
312002012102121122
410112021111330
5122131224200
611122450112
71543522064
oct426112574
9162172548
1072914300
1138181658
1220503938
131214c174
1499803a4
156604385
hex458957c

72914300 has 18 divisors (see below), whose sum is σ = 158224248. Its totient is φ = 29165680.

The previous prime is 72914297. The next prime is 72914311. The reversal of 72914300 is 341927.

It is a self number, because there is not a number n which added to its sum of digits gives 72914300.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 364472 + ... + 364671.

It is an arithmetic number, because the mean of its divisors is an integer number (8790236).

Almost surely, 272914300 is an apocalyptic number.

It is an amenable number.

72914300 is an abundant number, since it is smaller than the sum of its proper divisors (85309948).

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

72914300 is a wasteful number, since it uses less digits than its factorization.

72914300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729157 (or 729150 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 72914300 is about 8538.9870593648. The cubic root of 72914300 is about 417.7703079391.

The spelling of 72914300 in words is "seventy-two million, nine hundred fourteen thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 729143 1458286 2916572 3645715 7291430 14582860 18228575 36457150 72914300