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67602740 = 2253380137
BaseRepresentation
bin1000000011110…
…00100100110100
311201012120112012
410001320210310
5114301241430
610412543352
71450420352
oct401704464
9151176465
1067602740
1135183a37
121a781b58
131100c62a
148d9a7d2
155e05695
hex4078934

67602740 has 12 divisors (see below), whose sum is σ = 141965796. Its totient is φ = 27041088.

The previous prime is 67602739. The next prime is 67602763. The reversal of 67602740 is 4720676.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 38291344 + 29311396 = 6188^2 + 5414^2 .

It is a hoax number, since the sum of its digits (32) 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 = 67602697 and 67602706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1690049 + ... + 1690088.

It is an arithmetic number, because the mean of its divisors is an integer number (11830483).

Almost surely, 267602740 is an apocalyptic number.

It is an amenable number.

67602740 is an abundant number, since it is smaller than the sum of its proper divisors (74363056).

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

67602740 is a wasteful number, since it uses less digits than its factorization.

67602740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3380146 (or 3380144 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 67602740 is about 8222.0885424568. The cubic root of 67602740 is about 407.3691150032.

The spelling of 67602740 in words is "sixty-seven million, six hundred two thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 3380137 6760274 13520548 16900685 33801370 67602740