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55302132 = 2238815231
BaseRepresentation
bin1101001011110…
…1011111110100
310212001122021010
43102331133310
5103124132012
65253152220
71241026464
oct322753764
9125048233
1055302132
1129242346
121662b670
13b5c3872
1474b7ba4
154cc5c3c
hex34bd7f4

55302132 has 24 divisors (see below), whose sum is σ = 129209472. Its totient is φ = 18409600.

The previous prime is 55302119. The next prime is 55302167. The reversal of 55302132 is 23120355.

It is a junction number, because it is equal to n+sod(n) for n = 55302099 and 55302108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7957 + ... + 13187.

It is an arithmetic number, because the mean of its divisors is an integer number (5383728).

Almost surely, 255302132 is an apocalyptic number.

It is an amenable number.

55302132 is an abundant number, since it is smaller than the sum of its proper divisors (73907340).

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

55302132 is a wasteful number, since it uses less digits than its factorization.

55302132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6119 (or 6117 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 55302132 is about 7436.5403246402. The cubic root of 55302132 is about 380.9903346244.

Adding to 55302132 its reverse (23120355), we get a palindrome (78422487).

The spelling of 55302132 in words is "fifty-five million, three hundred two thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 881 1762 2643 3524 5231 5286 10462 10572 15693 20924 31386 62772 4608511 9217022 13825533 18434044 27651066 55302132