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68828727 = 31147199223
BaseRepresentation
bin1000001101000…
…11111000110111
311210111212021010
410012203320313
5120110004402
610455123303
71464014562
oct406437067
9153455233
1068828727
1135941050
121b073533
131134b676
1491d94d9
156098a6c
hex41a3e37

68828727 has 32 divisors (see below), whose sum is σ = 103219200. Its totient is φ = 40439520.

The previous prime is 68828723. The next prime is 68828731. The reversal of 68828727 is 72782886.

It is an interprime number because it is at equal distance from previous prime (68828723) and next prime (68828731).

It is not a de Polignac number, because 68828727 - 22 = 68828723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68828723) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 308538 + ... + 308760.

It is an arithmetic number, because the mean of its divisors is an integer number (3225600).

Almost surely, 268828727 is an apocalyptic number.

68828727 is a deficient number, since it is larger than the sum of its proper divisors (34390473).

68828727 is a wasteful number, since it uses less digits than its factorization.

68828727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483.

The product of its digits is 602112, while the sum is 48.

The square root of 68828727 is about 8296.3080343006. The cubic root of 68828727 is about 409.8169458463.

The spelling of 68828727 in words is "sixty-eight million, eight hundred twenty-eight thousand, seven hundred twenty-seven".

Divisors: 1 3 11 33 47 141 199 223 517 597 669 1551 2189 2453 6567 7359 9353 10481 28059 31443 44377 102883 115291 133131 308649 345873 488147 1464441 2085719 6257157 22942909 68828727