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74200272 = 2431545839
BaseRepresentation
bin1000110110000…
…11010011010000
312011121202122020
410123003103100
5122443402042
611210211440
71560456216
oct433032320
9164552566
1074200272
113897a843
1220a23b80
13124ac5b3
149bd6cb6
1567aa3ec
hex46c34d0

74200272 has 20 divisors (see below), whose sum is σ = 191684160. Its totient is φ = 24733408.

The previous prime is 74200249. The next prime is 74200297. The reversal of 74200272 is 27200247.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 772872 + ... + 772967.

It is an arithmetic number, because the mean of its divisors is an integer number (9584208).

Almost surely, 274200272 is an apocalyptic number.

It is an amenable number.

74200272 is an abundant number, since it is smaller than the sum of its proper divisors (117483888).

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

74200272 is a wasteful number, since it uses less digits than its factorization.

74200272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545850 (or 1545844 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 74200272 is about 8613.9579752864. The cubic root of 74200272 is about 420.2120471199.

The spelling of 74200272 in words is "seventy-four million, two hundred thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 1545839 3091678 4637517 6183356 9275034 12366712 18550068 24733424 37100136 74200272