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74184089 = 723474363
BaseRepresentation
bin1000110101111…
…11010110011001
312011120221102212
410122333112121
5122442342324
611210004505
71560361100
oct432772631
9164527385
1074184089
1138969671
1220a16735
13124a5115
149bd1037
1567a570e
hex46bf599

74184089 has 12 divisors (see below), whose sum is σ = 86564304. Its totient is φ = 63388584.

The previous prime is 74184079. The next prime is 74184091. The reversal of 74184089 is 98048147.

It is a happy number.

It is not a de Polignac number, because 74184089 - 28 = 74183833 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74184029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14822 + ... + 19184.

It is an arithmetic number, because the mean of its divisors is an integer number (7213692).

Almost surely, 274184089 is an apocalyptic number.

It is an amenable number.

74184089 is a deficient number, since it is larger than the sum of its proper divisors (12380215).

74184089 is a wasteful number, since it uses less digits than its factorization.

74184089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4724 (or 4717 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 74184089 is about 8613.0185765503. The cubic root of 74184089 is about 420.1814956326.

The spelling of 74184089 in words is "seventy-four million, one hundred eighty-four thousand, eighty-nine".

Divisors: 1 7 49 347 2429 4363 17003 30541 213787 1513961 10597727 74184089