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67989282 = 2329390743
BaseRepresentation
bin1000000110101…
…10111100100010
311201221012202120
410003112330202
5114401124112
610425125110
71453620324
oct403267442
9151835676
1067989282
1135418399
121a929796
131111655a
14905b614
155e7ee8c
hex40d6f22

67989282 has 16 divisors (see below), whose sum is σ = 140667840. Its totient is φ = 21881552.

The previous prime is 67989281. The next prime is 67989283. The reversal of 67989282 is 28298976.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (67989281) and next prime (67989283).

It is not an unprimeable number, because it can be changed into a prime (67989281) 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, 195198 + ... + 195545.

It is an arithmetic number, because the mean of its divisors is an integer number (8791740).

Almost surely, 267989282 is an apocalyptic number.

67989282 is an abundant number, since it is smaller than the sum of its proper divisors (72678558).

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

67989282 is a wasteful number, since it uses less digits than its factorization.

67989282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390777.

The product of its digits is 870912, while the sum is 51.

The square root of 67989282 is about 8245.5613514181. The cubic root of 67989282 is about 408.1440643692.

It can be divided in two parts, 6798 and 9282, that multiplied together give a palindrome (63099036).

The spelling of 67989282 in words is "sixty-seven million, nine hundred eighty-nine thousand, two hundred eighty-two".

Divisors: 1 2 3 6 29 58 87 174 390743 781486 1172229 2344458 11331547 22663094 33994641 67989282