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73073488 = 2428116253
BaseRepresentation
bin1000101101100…
…00001101010000
312002111111222111
410112300031100
5122201322423
611130115104
71545054145
oct426601520
9162444874
1073073488
1138280214
122057ba94
13121a6767
1499c23cc
15663660d
hex45b0350

73073488 has 20 divisors (see below), whose sum is σ = 142092468. Its totient is φ = 36404480.

The previous prime is 73073477. The next prime is 73073519. The reversal of 73073488 is 88437037.

It can be written as a sum of positive squares in 2 ways, for example, as 49956624 + 23116864 = 7068^2 + 4808^2 .

It is a super-2 number, since 2×730734882 = 10679469296972288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 73073488.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3631 + ... + 12622.

Almost surely, 273073488 is an apocalyptic number.

It is an amenable number.

73073488 is a deficient number, since it is larger than the sum of its proper divisors (69018980).

73073488 is a wasteful number, since it uses less digits than its factorization.

73073488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16542 (or 16536 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 73073488 is about 8548.3032234473. The cubic root of 73073488 is about 418.0741151975.

The spelling of 73073488 in words is "seventy-three million, seventy-three thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 16 281 562 1124 2248 4496 16253 32506 65012 130024 260048 4567093 9134186 18268372 36536744 73073488