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68230504 = 23293153179
BaseRepresentation
bin1000001000100…
…01110101101000
311202101110122201
410010101311220
5114431334004
610434225544
71455643516
oct404216550
9152343581
1068230504
1135572651
121aa252b4
131119c2a4
1490c14b6
155ecb6a4
hex4111d68

68230504 has 64 divisors (see below), whose sum is σ = 139968000. Its totient is φ = 31100160.

The previous prime is 68230493. The next prime is 68230507. The reversal of 68230504 is 40503286.

It is not an unprimeable number, because it can be changed into a prime (68230507) 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, 381087 + ... + 381265.

It is an arithmetic number, because the mean of its divisors is an integer number (2187000).

Almost surely, 268230504 is an apocalyptic number.

It is an amenable number.

68230504 is an abundant number, since it is smaller than the sum of its proper divisors (71737496).

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

68230504 is a wasteful number, since it uses less digits than its factorization.

68230504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 68230504 is about 8260.1757850545. The cubic root of 68230504 is about 408.6261850702.

The spelling of 68230504 in words is "sixty-eight million, two hundred thirty thousand, five hundred four".

Divisors: 1 2 4 8 29 31 53 58 62 106 116 124 179 212 232 248 358 424 716 899 1432 1537 1643 1798 3074 3286 3596 5191 5549 6148 6572 7192 9487 10382 11098 12296 13144 18974 20764 22196 37948 41528 44392 47647 75896 95294 160921 190588 275123 294097 321842 381176 550246 588194 643684 1100492 1176388 1287368 2200984 2352776 8528813 17057626 34115252 68230504