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67950653 = 414014133
BaseRepresentation
bin1000000110011…
…01100000111101
311201212020202212
410003031200331
5114343410103
610424230205
71453366601
oct403154075
9151766685
1067950653
11353a1371
121a90b365
1311101ab4
14904b501
155e737d8
hex40cd83d

67950653 has 8 divisors (see below), whose sum is σ = 69798456. Its totient is φ = 66112000.

The previous prime is 67950637. The next prime is 67950661. The reversal of 67950653 is 35605976.

It can be written as a sum of positive squares in 4 ways, for example, as 20313049 + 47637604 = 4507^2 + 6902^2 .

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 67950653 - 24 = 67950637 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 67950653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67950353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14375 + ... + 18507.

It is an arithmetic number, because the mean of its divisors is an integer number (8724807).

Almost surely, 267950653 is an apocalyptic number.

It is an amenable number.

67950653 is a deficient number, since it is larger than the sum of its proper divisors (1847803).

67950653 is a wasteful number, since it uses less digits than its factorization.

67950653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4575.

The product of its (nonzero) digits is 170100, while the sum is 41.

The square root of 67950653 is about 8243.2186068307. The cubic root of 67950653 is about 408.0667522622.

The spelling of 67950653 in words is "sixty-seven million, nine hundred fifty thousand, six hundred fifty-three".

Divisors: 1 41 401 4133 16441 169453 1657333 67950653