Search a number
-
+
52405192 = 2371949253
BaseRepresentation
bin1100011111101…
…0001111001000
310122121110102001
43013322033020
5101403431232
65111120344
71204302550
oct307721710
9118543361
1052405192
1127643884
12156730b4
13ab1b0b8
146d62160
1549026e7
hex31fa3c8

52405192 has 32 divisors (see below), whose sum is σ = 118209600. Its totient is φ = 21276864.

The previous prime is 52405183. The next prime is 52405217. The reversal of 52405192 is 29150425.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 52405192.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23563 + ... + 25690.

It is an arithmetic number, because the mean of its divisors is an integer number (3694050).

Almost surely, 252405192 is an apocalyptic number.

It is an amenable number.

52405192 is an abundant number, since it is smaller than the sum of its proper divisors (65804408).

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

52405192 is a wasteful number, since it uses less digits than its factorization.

52405192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49285 (or 49281 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 52405192 is about 7239.1430432062. The cubic root of 52405192 is about 374.2180851279.

The spelling of 52405192 in words is "fifty-two million, four hundred five thousand, one hundred ninety-two".

Divisors: 1 2 4 7 8 14 19 28 38 56 76 133 152 266 532 1064 49253 98506 197012 344771 394024 689542 935807 1379084 1871614 2758168 3743228 6550649 7486456 13101298 26202596 52405192