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68697574 = 21143101719
BaseRepresentation
bin1000001100000…
…11110111100110
311210021012100121
410012003313212
5120041310244
610452232154
71462630321
oct406036746
9153235317
1068697574
1135861560
121b00b65a
1311303a6a
1491a37b8
15606ec84
hex4183de6

68697574 has 32 divisors (see below), whose sum is σ = 116328960. Its totient is φ = 30156000.

The previous prime is 68697571. The next prime is 68697583. The reversal of 68697574 is 47579686.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68697571) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 95187 + ... + 95905.

It is an arithmetic number, because the mean of its divisors is an integer number (3635280).

Almost surely, 268697574 is an apocalyptic number.

68697574 is a deficient number, since it is larger than the sum of its proper divisors (47631386).

68697574 is a wasteful number, since it uses less digits than its factorization.

68697574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876.

The product of its digits is 2540160, while the sum is 52.

The square root of 68697574 is about 8288.3999662178. The cubic root of 68697574 is about 409.5564785492.

The spelling of 68697574 in words is "sixty-eight million, six hundred ninety-seven thousand, five hundred seventy-four".

Divisors: 1 2 11 22 43 86 101 202 473 719 946 1111 1438 2222 4343 7909 8686 15818 30917 47773 61834 72619 95546 145238 340087 680174 798809 1597618 3122617 6245234 34348787 68697574