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73081416 = 2336149919
BaseRepresentation
bin1000101101100…
…10001001001000
312002111220212010
410112302021020
5122202101131
611130215520
71545116232
oct426621110
9162456763
1073081416
1138286171
12205845a0
13121aa255
1499c5252
156638b46
hex45b2248

73081416 has 32 divisors (see below), whose sum is σ = 185702400. Its totient is φ = 23960640.

The previous prime is 73081409. The next prime is 73081439. The reversal of 73081416 is 61418037.

It is a happy 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, 23496 + ... + 26423.

It is an arithmetic number, because the mean of its divisors is an integer number (5803200).

Almost surely, 273081416 is an apocalyptic number.

It is an amenable number.

73081416 is an abundant number, since it is smaller than the sum of its proper divisors (112620984).

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

73081416 is a wasteful number, since it uses less digits than its factorization.

73081416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49989 (or 49985 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 73081416 is about 8548.7669286278. The cubic root of 73081416 is about 418.0892340950.

The spelling of 73081416 in words is "seventy-three million, eighty-one thousand, four hundred sixteen".

Divisors: 1 2 3 4 6 8 12 24 61 122 183 244 366 488 732 1464 49919 99838 149757 199676 299514 399352 599028 1198056 3045059 6090118 9135177 12180236 18270354 24360472 36540708 73081416