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39101020 = 22572172347
BaseRepresentation
bin1001010100101…
…0001001011100
32201120112111221
42111022021130
540002213040
63514023124
7653232100
oct225121134
981515457
1039101020
11200871a2
1211117aa4
1381405ca
14529b900
15367574a
hex254a25c

39101020 has 72 divisors (see below), whose sum is σ = 101180016. Its totient is φ = 12612096.

The previous prime is 39101017. The next prime is 39101021. The reversal of 39101020 is 2010193.

It is a junction number, because it is equal to n+sod(n) for n = 39100985 and 39101003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39101021) by changing a digit.

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, 15487 + ... + 17833.

It is an arithmetic number, because the mean of its divisors is an integer number (1405278).

Almost surely, 239101020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39101020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50590008).

39101020 is an abundant number, since it is smaller than the sum of its proper divisors (62078996).

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

39101020 is a wasteful number, since it uses less digits than its factorization.

39101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387 (or 2378 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 39101020 is about 6253.0808406737. The cubic root of 39101020 is about 339.4136954251.

The spelling of 39101020 in words is "thirty-nine million, one hundred one thousand, twenty".

Divisors: 1 2 4 5 7 10 14 17 20 28 34 35 49 68 70 85 98 119 140 170 196 238 245 340 476 490 595 833 980 1190 1666 2347 2380 3332 4165 4694 8330 9388 11735 16429 16660 23470 32858 39899 46940 65716 79798 82145 115003 159596 164290 199495 230006 279293 328580 398990 460012 558586 575015 797980 1117172 1150030 1396465 1955051 2300060 2792930 3910102 5585860 7820204 9775255 19550510 39101020