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39065070 = 23511432753
BaseRepresentation
bin1001010100000…
…1010111101110
32201111201012110
42111001113232
540000040240
63513144450
7653022222
oct225012756
981451173
1039065070
1120062190
12110bb126
13812a135
14528c782
153669c80
hex25415ee

39065070 has 64 divisors (see below), whose sum is σ = 104696064. Its totient is φ = 9246720.

The previous prime is 39065057. The next prime is 39065077. The reversal of 39065070 is 7056093.

39065070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39065077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12814 + ... + 15566.

It is an arithmetic number, because the mean of its divisors is an integer number (1635876).

Almost surely, 239065070 is an apocalyptic number.

39065070 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 39065070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52348032).

39065070 is an abundant number, since it is smaller than the sum of its proper divisors (65630994).

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

39065070 is a wasteful number, since it uses less digits than its factorization.

39065070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 39065070 is about 6250.2055966184. The cubic root of 39065070 is about 339.3096430347.

The spelling of 39065070 in words is "thirty-nine million, sixty-five thousand, seventy".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 43 55 66 86 110 129 165 215 258 330 430 473 645 946 1290 1419 2365 2753 2838 4730 5506 7095 8259 13765 14190 16518 27530 30283 41295 60566 82590 90849 118379 151415 181698 236758 302830 355137 454245 591895 710274 908490 1183790 1302169 1775685 2604338 3551370 3906507 6510845 7813014 13021690 19532535 39065070