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68029060 = 22511309223
BaseRepresentation
bin1000000111000…
…00101010000100
311202000020022211
410003200222010
5114403412220
610430033204
71454144311
oct403405204
9152006284
1068029060
1135445270
121a948804
131112b6a8
14906bd08
155e8bb5a
hex40e0a84

68029060 has 24 divisors (see below), whose sum is σ = 155848896. Its totient is φ = 24737760.

The previous prime is 68029057. The next prime is 68029061. The reversal of 68029060 is 6092086.

It is not an unprimeable number, because it can be changed into a prime (68029061) 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, 154392 + ... + 154831.

It is an arithmetic number, because the mean of its divisors is an integer number (6493704).

Almost surely, 268029060 is an apocalyptic number.

It is an amenable number.

68029060 is an abundant number, since it is smaller than the sum of its proper divisors (87819836).

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

68029060 is a wasteful number, since it uses less digits than its factorization.

68029060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309243 (or 309241 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 68029060 is about 8247.9730843402. The cubic root of 68029060 is about 408.2236454882.

The spelling of 68029060 in words is "sixty-eight million, twenty-nine thousand, sixty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 309223 618446 1236892 1546115 3092230 3401453 6184460 6802906 13605812 17007265 34014530 68029060