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68735450 = 2527196387
BaseRepresentation
bin1000001100011…
…01000111011010
311210100010022102
410012031013122
5120044013300
610453123402
71463145620
oct406150732
9153303272
1068735450
1135887a63
121b029562
1311318084
1491b3510
15607b0d5
hex418d1da

68735450 has 24 divisors (see below), whose sum is σ = 146112672. Its totient is φ = 23566320.

The previous prime is 68735441. The next prime is 68735489. The reversal of 68735450 is 5453786.

It is a Curzon number.

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, 97844 + ... + 98543.

It is an arithmetic number, because the mean of its divisors is an integer number (6088028).

Almost surely, 268735450 is an apocalyptic number.

68735450 is an abundant number, since it is smaller than the sum of its proper divisors (77377222).

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

68735450 is a wasteful number, since it uses less digits than its factorization.

68735450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196406 (or 196401 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 68735450 is about 8290.6845314485. The cubic root of 68735450 is about 409.6317335656.

The spelling of 68735450 in words is "sixty-eight million, seven hundred thirty-five thousand, four hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 196387 392774 981935 1374709 1963870 2749418 4909675 6873545 9819350 13747090 34367725 68735450