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68084583 = 3715672069
BaseRepresentation
bin1000000111011…
…10001101100111
311202010001111020
410003232031213
5114412201313
610431142223
71454465220
oct403561547
9152101436
1068084583
1135482a56
121a974973
131114aa48
149084247
155e9d323
hex40ee367

68084583 has 16 divisors (see below), whose sum is σ = 103864320. Its totient is φ = 38861856.

The previous prime is 68084557. The next prime is 68084593. The reversal of 68084583 is 38548086.

It is not a de Polignac number, because 68084583 - 26 = 68084519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68084593) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31873 + ... + 33941.

It is an arithmetic number, because the mean of its divisors is an integer number (6491520).

Almost surely, 268084583 is an apocalyptic number.

68084583 is a deficient number, since it is larger than the sum of its proper divisors (35779737).

68084583 is a wasteful number, since it uses less digits than its factorization.

68084583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3646.

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 68084583 is about 8251.3382550954. The cubic root of 68084583 is about 408.3346746959.

The spelling of 68084583 in words is "sixty-eight million, eighty-four thousand, five hundred eighty-three".

Divisors: 1 3 7 21 1567 2069 4701 6207 10969 14483 32907 43449 3242123 9726369 22694861 68084583