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68747955 = 354583197
BaseRepresentation
bin1000001100100…
…00001010110011
311210100202110120
410012100022303
5120044413310
610453301323
71463230233
oct406201263
9153322416
1068747955
11358963a1
121b034843
1311320983
1491b7cc3
15607eb70
hex41902b3

68747955 has 8 divisors (see below), whose sum is σ = 109996752. Its totient is φ = 36665568.

The previous prime is 68747941. The next prime is 68747977. The reversal of 68747955 is 55974786.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68747955 - 25 = 68747923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68747898 and 68747907.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2291584 + ... + 2291613.

It is an arithmetic number, because the mean of its divisors is an integer number (13749594).

Almost surely, 268747955 is an apocalyptic number.

68747955 is a deficient number, since it is larger than the sum of its proper divisors (41248797).

68747955 is a wasteful number, since it uses less digits than its factorization.

68747955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4583205.

The product of its digits is 2116800, while the sum is 51.

The square root of 68747955 is about 8291.4386568315. The cubic root of 68747955 is about 409.6565734128.

The spelling of 68747955 in words is "sixty-eight million, seven hundred forty-seven thousand, nine hundred fifty-five".

Divisors: 1 3 5 15 4583197 13749591 22915985 68747955