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68501044 = 2217125261
BaseRepresentation
bin1000001010100…
…11111000110100
311202220012202201
410011103320310
5120014013134
610444114244
71461151333
oct405237064
9152805681
1068501044
1135737937
121ab35984
1311265481
149151d1a
156031914
hex4153e34

68501044 has 6 divisors (see below), whose sum is σ = 119876834. Its totient is φ = 34250520.

The previous prime is 68501039. The next prime is 68501051. The reversal of 68501044 is 44010586.

It can be written as a sum of positive squares in only one way, i.e., 63393444 + 5107600 = 7962^2 + 2260^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8562627 + ... + 8562634.

Almost surely, 268501044 is an apocalyptic number.

It is an amenable number.

68501044 is a deficient number, since it is larger than the sum of its proper divisors (51375790).

68501044 is a wasteful number, since it uses less digits than its factorization.

68501044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17125265 (or 17125263 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 68501044 is about 8276.5357487297. The cubic root of 68501044 is about 409.1655525061.

The spelling of 68501044 in words is "sixty-eight million, five hundred one thousand, forty-four".

Divisors: 1 2 4 17125261 34250522 68501044