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52629444 = 22327316737
BaseRepresentation
bin1100100011000…
…0111111000100
310200000212000200
43020300333010
5101433120234
65120010500
71206225420
oct310607704
9120025020
1052629444
112778730a
1215760a30
13ab991aa
146dbdb80
154948d99
hex3230fc4

52629444 has 72 divisors (see below), whose sum is σ = 156968448. Its totient is φ = 14549760.

The previous prime is 52629443. The next prime is 52629469. The reversal of 52629444 is 44492625.

52629444 is a `hidden beast` number, since 526 + 2 + 94 + 44 = 666.

It is a super-3 number, since 3×526294443 (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 52629399 and 52629408.

It is not an unprimeable number, because it can be changed into a prime (52629443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4444 + ... + 11180.

Almost surely, 252629444 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 52629444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78484224).

52629444 is an abundant number, since it is smaller than the sum of its proper divisors (104339004).

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

52629444 is a wasteful number, since it uses less digits than its factorization.

52629444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6785 (or 6780 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 52629444 is about 7254.6153585149. The cubic root of 52629444 is about 374.7511095126.

It can be divided in two parts, 5262 and 9444, that added together give a triangular number (14706 = T171).

The spelling of 52629444 in words is "fifty-two million, six hundred twenty-nine thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 31 36 42 62 63 84 93 124 126 186 217 252 279 372 434 558 651 868 1116 1302 1953 2604 3906 6737 7812 13474 20211 26948 40422 47159 60633 80844 94318 121266 141477 188636 208847 242532 282954 417694 424431 565908 626541 835388 848862 1253082 1461929 1697724 1879623 2506164 2923858 3759246 4385787 5847716 7518492 8771574 13157361 17543148 26314722 52629444