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68957000 = 235379851
BaseRepresentation
bin1000001110000…
…11001101001000
311210202101012222
410013003031020
5120123111000
610501553212
71465060550
oct407031510
9153671188
1068957000
1135a19462
121b115808
1311394b78
149230160
1560c1a85
hex41c3348

68957000 has 64 divisors (see below), whose sum is σ = 184429440. Its totient is φ = 23640000.

The previous prime is 68956969. The next prime is 68957033. The reversal of 68957000 is 75986.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2075 + ... + 11925.

It is an arithmetic number, because the mean of its divisors is an integer number (2881710).

Almost surely, 268957000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68957000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92214720).

68957000 is an abundant number, since it is smaller than the sum of its proper divisors (115472440).

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

68957000 is a wasteful number, since it uses less digits than its factorization.

68957000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9879 (or 9865 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 68957000 is about 8304.0351637020. The cubic root of 68957000 is about 410.0713736541.

The spelling of 68957000 in words is "sixty-eight million, nine hundred fifty-seven thousand".

Divisors: 1 2 4 5 7 8 10 14 20 25 28 35 40 50 56 70 100 125 140 175 200 250 280 350 500 700 875 1000 1400 1750 3500 7000 9851 19702 39404 49255 68957 78808 98510 137914 197020 246275 275828 344785 394040 492550 551656 689570 985100 1231375 1379140 1723925 1970200 2462750 2758280 3447850 4925500 6895700 8619625 9851000 13791400 17239250 34478500 68957000