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68570060 = 22513220287
BaseRepresentation
bin1000001011001…
…00101111001100
311210000201102212
410011210233030
5120023220220
610445405552
71461556466
oct405445714
9153021385
1068570060
1135784779
121ab698b8
131128aa00
14916d136
1560470c5
hex4164bcc

68570060 has 36 divisors (see below), whose sum is σ = 155933568. Its totient is φ = 25316928.

The previous prime is 68570053. The next prime is 68570093. The reversal of 68570060 is 6007586.

It is a junction number, because it is equal to n+sod(n) for n = 68569999 and 68570026.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6764 + ... + 13523.

It is an arithmetic number, because the mean of its divisors is an integer number (4331488).

Almost surely, 268570060 is an apocalyptic number.

It is an amenable number.

68570060 is an abundant number, since it is smaller than the sum of its proper divisors (87363508).

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

68570060 is a wasteful number, since it uses less digits than its factorization.

68570060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20322 (or 20307 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 68570060 is about 8280.7040763452. The cubic root of 68570060 is about 409.3029201999.

The spelling of 68570060 in words is "sixty-eight million, five hundred seventy thousand, sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 169 260 338 676 845 1690 3380 20287 40574 81148 101435 202870 263731 405740 527462 1054924 1318655 2637310 3428503 5274620 6857006 13714012 17142515 34285030 68570060