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67941090 = 23257107843
BaseRepresentation
bin1000000110010…
…11001011100010
311201211202122200
410003023023202
5114343103330
610424114030
71453326660
oct403131342
9151752580
1067941090
1135395168
121a905916
13110ca639
149047c30
155e70a60
hex40cb2e2

67941090 has 48 divisors (see below), whose sum is σ = 201883968. Its totient is φ = 15529248.

The previous prime is 67941067. The next prime is 67941121. The reversal of 67941090 is 9014976.

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 23 ways as a sum of consecutive naturals, for example, 53292 + ... + 54551.

It is an arithmetic number, because the mean of its divisors is an integer number (4205916).

Almost surely, 267941090 is an apocalyptic number.

67941090 is an abundant number, since it is smaller than the sum of its proper divisors (133942878).

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

67941090 is a wasteful number, since it uses less digits than its factorization.

67941090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107863 (or 107860 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 67941090 is about 8242.6385338677. The cubic root of 67941090 is about 408.0476083430.

The spelling of 67941090 in words is "sixty-seven million, nine hundred forty-one thousand, ninety".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 63 70 90 105 126 210 315 630 107843 215686 323529 539215 647058 754901 970587 1078430 1509802 1617645 1941174 2264703 3235290 3774505 4529406 4852935 6794109 7549010 9705870 11323515 13588218 22647030 33970545 67941090