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52861746 = 2374761439
BaseRepresentation
bin1100100110100…
…1101100110010
310200110122200110
43021221230302
5102013033441
65125002150
71211213610
oct311515462
9120418613
1052861746
11279258a3
1215853356
13ac4ab52
1470406b0
154992b16
hex3269b32

52861746 has 64 divisors (see below), whose sum is σ = 125706240. Its totient is φ = 14506560.

The previous prime is 52861691. The next prime is 52861747. The reversal of 52861746 is 64716825.

52861746 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (52861747) 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, 120195 + ... + 120633.

It is an arithmetic number, because the mean of its divisors is an integer number (1964160).

Almost surely, 252861746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52861746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62853120).

52861746 is an abundant number, since it is smaller than the sum of its proper divisors (72844494).

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

52861746 is a wasteful number, since it uses less digits than its factorization.

52861746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559.

The product of its digits is 80640, while the sum is 39.

The square root of 52861746 is about 7270.6083651920. The cubic root of 52861746 is about 375.3016736940.

The spelling of 52861746 in words is "fifty-two million, eight hundred sixty-one thousand, seven hundred forty-six".

Divisors: 1 2 3 6 7 14 21 42 47 61 94 122 141 183 282 329 366 427 439 658 854 878 987 1281 1317 1974 2562 2634 2867 3073 5734 6146 8601 9219 17202 18438 20069 20633 26779 40138 41266 53558 60207 61899 80337 120414 123798 144431 160674 187453 288862 374906 433293 562359 866586 1124718 1258613 2517226 3775839 7551678 8810291 17620582 26430873 52861746