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68655038 = 234327519
BaseRepresentation
bin1000001011110…
…01011110111110
311210012001000012
410011321132332
5120033430123
610451303222
71462362314
oct405713676
9153161005
1068655038
1135832601
121abaab12
13112ba5aa
1491920b4
156062378
hex41797be

68655038 has 4 divisors (see below), whose sum is σ = 102982560. Its totient is φ = 34327518.

The previous prime is 68655031. The next prime is 68655043. The reversal of 68655038 is 83055686.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 68654986 and 68655004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68655031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17163758 + ... + 17163761.

It is an arithmetic number, because the mean of its divisors is an integer number (25745640).

Almost surely, 268655038 is an apocalyptic number.

68655038 is a deficient number, since it is larger than the sum of its proper divisors (34327522).

68655038 is a wasteful number, since it uses less digits than its factorization.

68655038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34327521.

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 68655038 is about 8285.8335730330. The cubic root of 68655038 is about 409.4719316958.

The spelling of 68655038 in words is "sixty-eight million, six hundred fifty-five thousand, thirty-eight".

Divisors: 1 2 34327519 68655038