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67924740 = 22351387083
BaseRepresentation
bin1000000110001…
…11001100000100
311201210221020010
410003013030010
5114342042430
610423510220
71453231212
oct403071404
9151727203
1067924740
1135383954
121a8b8370
13110c3070
149041cb2
155e6acb0
hex40c7304

67924740 has 48 divisors (see below), whose sum is σ = 204821568. Its totient is φ = 16719744.

The previous prime is 67924739. The next prime is 67924799. The reversal of 67924740 is 4742976.

It is a super-2 number, since 2×679247402 = 9227540608135200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42762 + ... + 44321.

It is an arithmetic number, because the mean of its divisors is an integer number (4267116).

Almost surely, 267924740 is an apocalyptic number.

67924740 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67924740 is an abundant number, since it is smaller than the sum of its proper divisors (136896828).

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

67924740 is a wasteful number, since it uses less digits than its factorization.

67924740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87108 (or 87106 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 67924740 is about 8241.6466801241. The cubic root of 67924740 is about 408.0148735447.

The spelling of 67924740 in words is "sixty-seven million, nine hundred twenty-four thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 87083 174166 261249 348332 435415 522498 870830 1044996 1132079 1306245 1741660 2264158 2612490 3396237 4528316 5224980 5660395 6792474 11320790 13584948 16981185 22641580 33962370 67924740