Search a number
-
+
67994325 = 32527231877
BaseRepresentation
bin1000000110110…
…00001011010101
311201221110200100
410003120023111
5114401304300
610425204313
71453641120
oct403301325
9151843610
1067994325
1135421163
121a930699
1311118939
14905d3b7
155e81700
hex40d82d5

67994325 has 72 divisors (see below), whose sum is σ = 145312128. Its totient is φ = 29715840.

The previous prime is 67994291. The next prime is 67994341. The reversal of 67994325 is 52349976.

It is a happy number.

It is not a de Polignac number, because 67994325 - 213 = 67986133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 71 ways as a sum of consecutive naturals, for example, 35287 + ... + 37163.

It is an arithmetic number, because the mean of its divisors is an integer number (2018224).

Almost surely, 267994325 is an apocalyptic number.

It is an amenable number.

67994325 is an abundant number, since it is smaller than the sum of its proper divisors (77317803).

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

67994325 is a wasteful number, since it uses less digits than its factorization.

67994325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1923 (or 1915 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 67994325 is about 8245.8671466378. The cubic root of 67994325 is about 408.1541552716.

The spelling of 67994325 in words is "sixty-seven million, nine hundred ninety-four thousand, three hundred twenty-five".

Divisors: 1 3 5 7 9 15 21 23 25 35 45 63 69 75 105 115 161 175 207 225 315 345 483 525 575 805 1035 1449 1575 1725 1877 2415 4025 5175 5631 7245 9385 12075 13139 16893 28155 36225 39417 43171 46925 65695 84465 118251 129513 140775 197085 215855 302197 328475 388539 422325 591255 647565 906591 985425 1079275 1510985 1942695 2719773 2956275 3237825 4532955 7554925 9713475 13598865 22664775 67994325