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39113144 = 2373743439
BaseRepresentation
bin1001010100110…
…1000110111000
32201121011010222
42111031012320
540003110034
63514155212
7653312330
oct225150670
981534128
1039113144
1120095314
1211122b08
138145c95
1452a20c0
15367912e
hex254d1b8

39113144 has 64 divisors (see below), whose sum is σ = 88281600. Its totient is φ = 15894144.

The previous prime is 39113143. The next prime is 39113149. The reversal of 39113144 is 44131193.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39113143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88877 + ... + 89315.

It is an arithmetic number, because the mean of its divisors is an integer number (1379400).

Almost surely, 239113144 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 39113144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44140800).

39113144 is an abundant number, since it is smaller than the sum of its proper divisors (49168456).

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

39113144 is a wasteful number, since it uses less digits than its factorization.

39113144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532 (or 528 counting only the distinct ones).

The product of its digits is 1296, while the sum is 26.

The square root of 39113144 is about 6254.0502076654. The cubic root of 39113144 is about 339.4487723140.

The spelling of 39113144 in words is "thirty-nine million, one hundred thirteen thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 28 37 43 56 74 86 148 172 259 296 301 344 439 518 602 878 1036 1204 1591 1756 2072 2408 3073 3182 3512 6146 6364 11137 12292 12728 16243 18877 22274 24584 32486 37754 44548 64972 75508 89096 113701 129944 132139 151016 227402 264278 454804 528556 698449 909608 1057112 1396898 2793796 4889143 5587592 9778286 19556572 39113144