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68361862 = 21714091427
BaseRepresentation
bin1000001001100…
…01111010000110
311202122010211211
410010301322012
5120000034422
610441122034
71460031502
oct404617206
9152563754
1068361862
1135652308
121aa8931a
131121700a
149117302
156005577
hex4131e86

68361862 has 16 divisors (see below), whose sum is σ = 108727920. Its totient is φ = 32124928.

The previous prime is 68361859. The next prime is 68361863. The reversal of 68361862 is 26816386.

It is a super-2 number, since 2×683618622 = 9346688352214088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68361863) 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 7 ways as a sum of consecutive naturals, for example, 47193 + ... + 48619.

It is an arithmetic number, because the mean of its divisors is an integer number (6795495).

Almost surely, 268361862 is an apocalyptic number.

68361862 is a deficient number, since it is larger than the sum of its proper divisors (40366058).

68361862 is a wasteful number, since it uses less digits than its factorization.

68361862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2855.

The product of its digits is 82944, while the sum is 40.

The square root of 68361862 is about 8268.1232453320. The cubic root of 68361862 is about 408.8882472761. Note that the first 3 decimals are identical.

The spelling of 68361862 in words is "sixty-eight million, three hundred sixty-one thousand, eight hundred sixty-two".

Divisors: 1 2 17 34 1409 1427 2818 2854 23953 24259 47906 48518 2010643 4021286 34180931 68361862