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67294990 = 2575411777
BaseRepresentation
bin1000000001011…
…01011100001110
311200121221101001
410000231130032
5114211414430
610402210514
71444666210
oct400553416
9150557331
1067294990
1134a937a4
121a653a3a
1310c32529
148d1a5b0
155d943ca
hex402d70e

67294990 has 32 divisors (see below), whose sum is σ = 138769344. Its totient is φ = 23016960.

The previous prime is 67294973. The next prime is 67295009. The reversal of 67294990 is 9949276.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 67294990.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 36982 + ... + 38758.

It is an arithmetic number, because the mean of its divisors is an integer number (4336542).

Almost surely, 267294990 is an apocalyptic number.

67294990 is an abundant number, since it is smaller than the sum of its proper divisors (71474354).

67294990 is a wasteful number, since it uses less digits than its factorization.

67294990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2332.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 67294990 is about 8203.3523635158. The cubic root of 67294990 is about 406.7500150163.

The spelling of 67294990 in words is "sixty-seven million, two hundred ninety-four thousand, nine hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 541 1082 1777 2705 3554 3787 5410 7574 8885 12439 17770 18935 24878 37870 62195 124390 961357 1922714 4806785 6729499 9613570 13458998 33647495 67294990