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74193814 = 2172235581
BaseRepresentation
bin1000110110000…
…01101110010110
312011121102210001
410123001232112
5122443200224
611210121514
71560431332
oct433015626
9164542701
1074193814
1138975a02
1220a2029a
13124a9686
149bd47c2
1567a8544
hex46c1b96

74193814 has 24 divisors (see below), whose sum is σ = 123384528. Its totient is φ = 33390720.

The previous prime is 74193809. The next prime is 74193839. The reversal of 74193814 is 41839147.

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 11 ways as a sum of consecutive naturals, for example, 10504 + ... + 16084.

It is an arithmetic number, because the mean of its divisors is an integer number (5141022).

Almost surely, 274193814 is an apocalyptic number.

74193814 is a deficient number, since it is larger than the sum of its proper divisors (49190714).

74193814 is a wasteful number, since it uses less digits than its factorization.

74193814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5640 (or 5623 counting only the distinct ones).

The product of its digits is 24192, while the sum is 37.

The square root of 74193814 is about 8613.5831104135. The cubic root of 74193814 is about 420.1998557534.

The spelling of 74193814 in words is "seventy-four million, one hundred ninety-three thousand, eight hundred fourteen".

Divisors: 1 2 17 23 34 46 289 391 578 782 5581 6647 11162 13294 94877 128363 189754 256726 1612909 2182171 3225818 4364342 37096907 74193814