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74286093 = 377149823
BaseRepresentation
bin1000110110110…
…00010000001101
312011210010100210
410123120100031
5123004123333
611212113033
71561264350
oct433302015
9164703323
1074286093
1138a29272
1220a65779
131250c68b
149c1a297
1567c5a63
hex46d840d

74286093 has 16 divisors (see below), whose sum is σ = 114794496. Its totient is φ = 41850480.

The previous prime is 74286089. The next prime is 74286101. The reversal of 74286093 is 39068247.

It is not a de Polignac number, because 74286093 - 22 = 74286089 is a prime.

It is a super-2 number, since 2×742860932 = 11036847226409298, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74286053) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 23421 + ... + 26402.

It is an arithmetic number, because the mean of its divisors is an integer number (7174656).

Almost surely, 274286093 is an apocalyptic number.

It is an amenable number.

74286093 is a deficient number, since it is larger than the sum of its proper divisors (40508403).

74286093 is a wasteful number, since it uses less digits than its factorization.

74286093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49904.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 74286093 is about 8618.9380436339. The cubic root of 74286093 is about 420.3739922736.

The spelling of 74286093 in words is "seventy-four million, two hundred eighty-six thousand, ninety-three".

Divisors: 1 3 7 21 71 213 497 1491 49823 149469 348761 1046283 3537433 10612299 24762031 74286093