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BaseRepresentation
bin1000001011010…
…01101100010011
311210001202021112
410011221230103
5120024342410
610450043535
71462002611
oct405515423
9153052245
1068590355
1135798a49
121ab795ab
1311297012
1491766b1
15604d105
hex4169b13

68590355 has 4 divisors (see below), whose sum is σ = 82308432. Its totient is φ = 54872280.

The previous prime is 68590351. The next prime is 68590367. The reversal of 68590355 is 55309586.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55309586 = 227654793.

It is not a de Polignac number, because 68590355 - 22 = 68590351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68590351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6859031 + ... + 6859040.

It is an arithmetic number, because the mean of its divisors is an integer number (20577108).

Almost surely, 268590355 is an apocalyptic number.

68590355 is a deficient number, since it is larger than the sum of its proper divisors (13718077).

68590355 is a wasteful number, since it uses less digits than its factorization.

68590355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13718076.

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 68590355 is about 8281.9294249589. The cubic root of 68590355 is about 409.3432973138.

The spelling of 68590355 in words is "sixty-eight million, five hundred ninety thousand, three hundred fifty-five".

Divisors: 1 5 13718071 68590355