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64740060 = 22355711173
BaseRepresentation
bin1111011011110…
…1101011011100
311111211010200000
43312331223130
5113033140220
610231334300
71414165350
oct366755334
9144733600
1064740060
11335a9190
1219821390
1310549638
148853460
155a3c390
hex3dbdadc

64740060 has 288 divisors, whose sum is σ = 255370752. Its totient is φ = 13374720.

The previous prime is 64740037. The next prime is 64740119. The reversal of 64740060 is 6004746.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 374134 + ... + 374306.

It is an arithmetic number, because the mean of its divisors is an integer number (886704).

Almost surely, 264740060 is an apocalyptic number.

64740060 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64740060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127685376).

64740060 is an abundant number, since it is smaller than the sum of its proper divisors (190630692).

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

64740060 is a wasteful number, since it uses less digits than its factorization.

64740060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 64740060 is about 8046.1208044622. The cubic root of 64740060 is about 401.5358867483.

The spelling of 64740060 in words is "sixty-four million, seven hundred forty thousand, sixty".