Search a number
-
+
52020552 = 2337927437
BaseRepresentation
bin1100011001110…
…0010101001000
310121212220210010
43012130111020
5101304124202
65054551520
71201111263
oct306342510
9117786703
1052020552
11274008a1
12155085a0
13aa14cbc
146ca1cda
15487876c
hex319c548

52020552 has 32 divisors (see below), whose sum is σ = 131702400. Its totient is φ = 17120064.

The previous prime is 52020547. The next prime is 52020571. The reversal of 52020552 is 25502025.

It is a super-2 number, since 2×520205522 = 5412275660769408, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11823 + ... + 15614.

It is an arithmetic number, because the mean of its divisors is an integer number (4115700).

Almost surely, 252020552 is an apocalyptic number.

It is an amenable number.

52020552 is an abundant number, since it is smaller than the sum of its proper divisors (79681848).

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

52020552 is a wasteful number, since it uses less digits than its factorization.

52020552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27525 (or 27521 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 21.

The square root of 52020552 is about 7212.5274349565. The cubic root of 52020552 is about 373.3002826467.

Adding to 52020552 its reverse (25502025), we get a palindrome (77522577).

The spelling of 52020552 in words is "fifty-two million, twenty thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 79 158 237 316 474 632 948 1896 27437 54874 82311 109748 164622 219496 329244 658488 2167523 4335046 6502569 8670092 13005138 17340184 26010276 52020552