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68040435 = 354536029
BaseRepresentation
bin1000000111000…
…11011011110011
311202000210221010
410003203123303
5114404243220
610430202003
71454222421
oct403433363
9152023833
1068040435
1135452871
121a953303
1311133918
149072111
155e901e0
hex40e36f3

68040435 has 8 divisors (see below), whose sum is σ = 108864720. Its totient is φ = 36288224.

The previous prime is 68040433. The next prime is 68040439. The reversal of 68040435 is 53404086.

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

It is a cyclic number.

It is not a de Polignac number, because 68040435 - 21 = 68040433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68040431) 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, 2268000 + ... + 2268029.

It is an arithmetic number, because the mean of its divisors is an integer number (13608090).

Almost surely, 268040435 is an apocalyptic number.

68040435 is a deficient number, since it is larger than the sum of its proper divisors (40824285).

68040435 is a wasteful number, since it uses less digits than its factorization.

68040435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4536037.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 68040435 is about 8248.6626188734. The cubic root of 68040435 is about 408.2463969671.

The spelling of 68040435 in words is "sixty-eight million, forty thousand, four hundred thirty-five".

Divisors: 1 3 5 15 4536029 13608087 22680145 68040435