Search a number
-
+
51846964 = 2213997057
BaseRepresentation
bin1100010111000…
…1111100110100
310121120002122221
43011301330310
5101233100324
65051132124
71166456221
oct305617464
9117502587
1051846964
11272a2434
1215444044
13a983ca0
146c58948
1548420e4
hex3171f34

51846964 has 12 divisors (see below), whose sum is σ = 97711684. Its totient is φ = 23929344.

The previous prime is 51846959. The next prime is 51846967. The reversal of 51846964 is 46964815.

It can be written as a sum of positive squares in 2 ways, for example, as 32398864 + 19448100 = 5692^2 + 4410^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 51846964.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51846967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498477 + ... + 498580.

Almost surely, 251846964 is an apocalyptic number.

It is an amenable number.

51846964 is a deficient number, since it is larger than the sum of its proper divisors (45864720).

51846964 is a wasteful number, since it uses less digits than its factorization.

51846964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997074 (or 997072 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The square root of 51846964 is about 7200.4835948706. The cubic root of 51846964 is about 372.8845965465.

The spelling of 51846964 in words is "fifty-one million, eight hundred forty-six thousand, nine hundred sixty-four".

Divisors: 1 2 4 13 26 52 997057 1994114 3988228 12961741 25923482 51846964