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68940230 = 256894023
BaseRepresentation
bin1000001101111…
…11000111000110
311210201112012212
410012333013012
5120122041410
610501343422
71464660632
oct406770706
9153645185
1068940230
1135a078a7
121b107b72
131138a348
149227dc2
1560bbb05
hex41bf1c6

68940230 has 8 divisors (see below), whose sum is σ = 124092432. Its totient is φ = 27576088.

The previous prime is 68940203. The next prime is 68940233. The reversal of 68940230 is 3204986.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68940233) 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, 3447002 + ... + 3447021.

It is an arithmetic number, because the mean of its divisors is an integer number (15511554).

Almost surely, 268940230 is an apocalyptic number.

68940230 is a deficient number, since it is larger than the sum of its proper divisors (55152202).

68940230 is a wasteful number, since it uses less digits than its factorization.

68940230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6894030.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 68940230 is about 8303.0253522436. The cubic root of 68940230 is about 410.0381285183.

The spelling of 68940230 in words is "sixty-eight million, nine hundred forty thousand, two hundred thirty".

Divisors: 1 2 5 10 6894023 13788046 34470115 68940230