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68035902 = 23111030847
BaseRepresentation
bin1000000111000…
…10010100111110
311202000120201020
410003202110332
5114404122102
610430125010
71454203254
oct403422476
9152016636
1068035902
113544a420
121a950766
131113183c
1490705d4
155e8dbbc
hex40e253e

68035902 has 16 divisors (see below), whose sum is σ = 148442112. Its totient is φ = 20616920.

The previous prime is 68035889. The next prime is 68035907. The reversal of 68035902 is 20953086.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68035907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515358 + ... + 515489.

It is an arithmetic number, because the mean of its divisors is an integer number (9277632).

Almost surely, 268035902 is an apocalyptic number.

68035902 is an abundant number, since it is smaller than the sum of its proper divisors (80406210).

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

68035902 is a wasteful number, since it uses less digits than its factorization.

68035902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030863.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 68035902 is about 8248.3878424817. The cubic root of 68035902 is about 408.2373306817.

Adding to 68035902 its reverse (20953086), we get a palindrome (88988988).

The spelling of 68035902 in words is "sixty-eight million, thirty-five thousand, nine hundred two".

Divisors: 1 2 3 6 11 22 33 66 1030847 2061694 3092541 6185082 11339317 22678634 34017951 68035902