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68938950 = 2352459593
BaseRepresentation
bin1000001101111…
…10110011000110
311210201110110110
410012332303012
5120122021300
610501333450
71464654123
oct406766306
9153643413
1068938950
1135a06943
121b107286
13113898a2
14922774a
1560bb550
hex41becc6

68938950 has 24 divisors (see below), whose sum is σ = 170968968. Its totient is φ = 18383680.

The previous prime is 68938939. The next prime is 68938951. The reversal of 68938950 is 5983986.

It is a self number, because there is not a number n which added to its sum of digits gives 68938950.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68938951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 229647 + ... + 229946.

It is an arithmetic number, because the mean of its divisors is an integer number (7123707).

Almost surely, 268938950 is an apocalyptic number.

68938950 is an abundant number, since it is smaller than the sum of its proper divisors (102030018).

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

68938950 is a wasteful number, since it uses less digits than its factorization.

68938950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459608 (or 459603 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 68938950 is about 8302.9482715479. The cubic root of 68938950 is about 410.0355908029.

The spelling of 68938950 in words is "sixty-eight million, nine hundred thirty-eight thousand, nine hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 459593 919186 1378779 2297965 2757558 4595930 6893895 11489825 13787790 22979650 34469475 68938950