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80784374 = 21117613541
BaseRepresentation
bin1001101000010…
…10101111110110
312122000021022212
410310022233312
5131140044444
612003253422
72000440646
oct464125766
9178007285
1080784374
1141667550
122307a272
1313976408
14aa2c526
15715b19e
hex4d0abf6

80784374 has 32 divisors (see below), whose sum is σ = 142303392. Its totient is φ = 33984000.

The previous prime is 80784367. The next prime is 80784383. The reversal of 80784374 is 47348708.

It is a super-2 number, since 2×807843742 = 13052230165143752, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21044 + ... + 24584.

It is an arithmetic number, because the mean of its divisors is an integer number (4446981).

Almost surely, 280784374 is an apocalyptic number.

80784374 is a deficient number, since it is larger than the sum of its proper divisors (61519018).

80784374 is a wasteful number, since it uses less digits than its factorization.

80784374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3632.

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 80784374 is about 8988.0127948285. The cubic root of 80784374 is about 432.2905959459.

The spelling of 80784374 in words is "eighty million, seven hundred eighty-four thousand, three hundred seventy-four".

Divisors: 1 2 11 17 22 34 61 122 187 374 671 1037 1342 2074 3541 7082 11407 22814 38951 60197 77902 120394 216001 432002 662167 1324334 2376011 3672017 4752022 7344034 40392187 80784374