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68503429 = 433314813
BaseRepresentation
bin1000001010101…
…00011110000101
311202220100001001
410011110132011
5120014102204
610444133301
71461161311
oct405243605
9152810031
1068503429
1135739705
121ab37231
1311266597
149152b41
1560324a4
hex4154785

68503429 has 8 divisors (see below), whose sum is σ = 70322912. Its totient is φ = 66694320.

The previous prime is 68503411. The next prime is 68503447. The reversal of 68503429 is 92430586.

It is an interprime number because it is at equal distance from previous prime (68503411) and next prime (68503447).

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 68503429 - 27 = 68503301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68503229) 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, 11827 + ... + 16639.

It is an arithmetic number, because the mean of its divisors is an integer number (8790364).

Almost surely, 268503429 is an apocalyptic number.

It is an amenable number.

68503429 is a deficient number, since it is larger than the sum of its proper divisors (1819483).

68503429 is a wasteful number, since it uses less digits than its factorization.

68503429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5187.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 68503429 is about 8276.6798294968. The cubic root of 68503429 is about 409.1703010883.

The spelling of 68503429 in words is "sixty-eight million, five hundred three thousand, four hundred twenty-nine".

Divisors: 1 43 331 4813 14233 206959 1593103 68503429