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71050854 = 23717191521
BaseRepresentation
bin1000011110000…
…10011001100110
311221200202110010
410033002121212
5121142111404
611014511050
71521631230
oct417023146
9157622403
1071050854
1137119616
121b965486
1311948c34
149617250
156387189
hex43c2666

71050854 has 64 divisors (see below), whose sum is σ = 173187072. Its totient is φ = 18969600.

The previous prime is 71050817. The next prime is 71050867. The reversal of 71050854 is 45805017.

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 31 ways as a sum of consecutive naturals, for example, 136114 + ... + 136634.

It is an arithmetic number, because the mean of its divisors is an integer number (2706048).

Almost surely, 271050854 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71050854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86593536).

71050854 is an abundant number, since it is smaller than the sum of its proper divisors (102136218).

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

71050854 is a wasteful number, since it uses less digits than its factorization.

71050854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 71050854 is about 8429.1668627451. The cubic root of 71050854 is about 414.1806138579.

The spelling of 71050854 in words is "seventy-one million, fifty thousand, eight hundred fifty-four".

Divisors: 1 2 3 6 7 14 17 21 34 42 51 102 119 191 238 357 382 521 573 714 1042 1146 1337 1563 2674 3126 3247 3647 4011 6494 7294 8022 8857 9741 10941 17714 19482 21882 22729 26571 45458 53142 61999 68187 99511 123998 136374 185997 199022 298533 371994 597066 696577 1393154 1691687 2089731 3383374 4179462 5075061 10150122 11841809 23683618 35525427 71050854