Search a number
-
+
52474428 = 22321976717
BaseRepresentation
bin1100100000101…
…1001000111100
310122201222101100
43020023020330
5101413140203
65112413100
71205011446
oct310131074
9118658340
1052474428
11276908a6
12156a7190
13ab43776
146d7d496
154917ea3
hex320b23c

52474428 has 36 divisors (see below), whose sum is σ = 139626760. Its totient is φ = 16570656.

The previous prime is 52474417. The next prime is 52474439. The reversal of 52474428 is 82447425.

It is an interprime number because it is at equal distance from previous prime (52474417) and next prime (52474439).

It is a tau number, because it is divible by the number of its divisors (36).

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 = 52474392 and 52474401.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 37675 + ... + 39042.

Almost surely, 252474428 is an apocalyptic number.

It is an amenable number.

52474428 is an abundant number, since it is smaller than the sum of its proper divisors (87152332).

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

52474428 is a wasteful number, since it uses less digits than its factorization.

52474428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76746 (or 76741 counting only the distinct ones).

The product of its digits is 71680, while the sum is 36.

The square root of 52474428 is about 7243.9235225118. The cubic root of 52474428 is about 374.3828141081.

The spelling of 52474428 in words is "fifty-two million, four hundred seventy-four thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 114 171 228 342 684 76717 153434 230151 306868 460302 690453 920604 1380906 1457623 2761812 2915246 4372869 5830492 8745738 13118607 17491476 26237214 52474428