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68030022 = 2317239233
BaseRepresentation
bin1000000111000…
…00111001000110
311202000021122110
410003200321012
5114403430042
610430041450
71454150154
oct403407106
9152007573
1068030022
1135445a65
121a949286
131112bc68
14906c3d4
155e8c09c
hex40e0e46

68030022 has 24 divisors (see below), whose sum is σ = 144538056. Its totient is φ = 21342208.

The previous prime is 68029993. The next prime is 68030023. The reversal of 68030022 is 22003086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68030023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17883 + ... + 21350.

It is an arithmetic number, because the mean of its divisors is an integer number (6022419).

Almost surely, 268030022 is an apocalyptic number.

68030022 is an abundant number, since it is smaller than the sum of its proper divisors (76508034).

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

68030022 is a wasteful number, since it uses less digits than its factorization.

68030022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39272 (or 39255 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 68030022 is about 8248.0314014921. The cubic root of 68030022 is about 408.2255697114.

It can be divided in two parts, 6 and 8030022, that added together give a triangular number (8030028 = T4007).

The spelling of 68030022 in words is "sixty-eight million, thirty thousand, twenty-two".

Divisors: 1 2 3 6 17 34 51 102 289 578 867 1734 39233 78466 117699 235398 666961 1333922 2000883 4001766 11338337 22676674 34015011 68030022