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68570735 = 571233829
BaseRepresentation
bin1000001011001…
…00111001101111
311210000202100212
410011210321233
5120023230420
610445413035
71461561452
oct405447157
9153022325
1068570735
1135785232
121ab6a17b
131128b0cc
14916d499
1560473c5
hex4164e6f

68570735 has 16 divisors (see below), whose sum is σ = 83903040. Its totient is φ = 53786880.

The previous prime is 68570717. The next prime is 68570833. The reversal of 68570735 is 53707586.

It is not a de Polignac number, because 68570735 - 224 = 51793519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68570692 and 68570701.

It is a congruent number.

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, 82301 + ... + 83129.

It is an arithmetic number, because the mean of its divisors is an integer number (5243940).

Almost surely, 268570735 is an apocalyptic number.

68570735 is a deficient number, since it is larger than the sum of its proper divisors (15332305).

68570735 is a wasteful number, since it uses less digits than its factorization.

68570735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138.

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 68570735 is about 8280.7448336487. The cubic root of 68570735 is about 409.3042632475.

The spelling of 68570735 in words is "sixty-eight million, five hundred seventy thousand, seven hundred thirty-five".

Divisors: 1 5 71 233 355 829 1165 4145 16543 58859 82715 193157 294295 965785 13714147 68570735