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68046428 = 2222774941
BaseRepresentation
bin1000000111001…
…00111001011100
311202001010011002
410003210321130
5114404441203
610430245432
71454246042
oct403447134
9152033132
1068046428
113545731a
121a956878
1311136578
149074392
155e91d88
hex40e4e5c

68046428 has 12 divisors (see below), whose sum is σ = 119607432. Its totient is φ = 33872880.

The previous prime is 68046421. The next prime is 68046431. The reversal of 68046428 is 82464086.

It is a happy number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 68046391 and 68046400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68046421) 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, 36563 + ... + 38378.

It is an arithmetic number, because the mean of its divisors is an integer number (9967286).

Almost surely, 268046428 is an apocalyptic number.

It is an amenable number.

68046428 is a deficient number, since it is larger than the sum of its proper divisors (51561004).

68046428 is a wasteful number, since it uses less digits than its factorization.

68046428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75172 (or 75170 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 68046428 is about 8249.0258818845. The cubic root of 68046428 is about 408.2583827264.

The spelling of 68046428 in words is "sixty-eight million, forty-six thousand, four hundred twenty-eight".

Divisors: 1 2 4 227 454 908 74941 149882 299764 17011607 34023214 68046428