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68467974 = 2357719777
BaseRepresentation
bin1000001010010…
…11110100000110
311202211112101220
410011023310012
5120011433344
610443301210
71460653041
oct405136406
9152745356
1068467974
1135715003
121ab1a806
13112533c3
149143c58
156026c19
hex414bd06

68467974 has 16 divisors (see below), whose sum is σ = 137180208. Its totient is φ = 22781952.

The previous prime is 68467951. The next prime is 68467979. The reversal of 68467974 is 47976486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68467979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6427 + ... + 13350.

It is an arithmetic number, because the mean of its divisors is an integer number (8573763).

Almost surely, 268467974 is an apocalyptic number.

68467974 is an abundant number, since it is smaller than the sum of its proper divisors (68712234).

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

68467974 is a wasteful number, since it uses less digits than its factorization.

68467974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20359.

The product of its digits is 2032128, while the sum is 51.

The square root of 68467974 is about 8274.5376910133. The cubic root of 68467974 is about 409.0996981187.

The spelling of 68467974 in words is "sixty-eight million, four hundred sixty-seven thousand, nine hundred seventy-four".

Divisors: 1 2 3 6 577 1154 1731 3462 19777 39554 59331 118662 11411329 22822658 34233987 68467974