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53920548 = 223211136163
BaseRepresentation
bin1100110110110…
…0001100100100
310202110110002100
43031230030210
5102300424143
65203412100
71223213523
oct315541444
9122413070
1053920548
1128489340
1216084030
13b22ba66
1472384ba
154b016d3
hex336c324

53920548 has 36 divisors (see below), whose sum is σ = 148691088. Its totient is φ = 16339440.

The previous prime is 53920547. The next prime is 53920553. The reversal of 53920548 is 84502935.

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 not an unprimeable number, because it can be changed into a prime (53920547) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67686 + ... + 68477.

It is an arithmetic number, because the mean of its divisors is an integer number (4130308).

Almost surely, 253920548 is an apocalyptic number.

It is an amenable number.

53920548 is an abundant number, since it is smaller than the sum of its proper divisors (94770540).

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

53920548 is a wasteful number, since it uses less digits than its factorization.

53920548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136184 (or 136179 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 53920548 is about 7343.0612145072. The cubic root of 53920548 is about 377.7908475934.

The spelling of 53920548 in words is "fifty-three million, nine hundred twenty thousand, five hundred forty-eight".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 136163 272326 408489 544652 816978 1225467 1497793 1633956 2450934 2995586 4493379 4901868 5991172 8986758 13480137 17973516 26960274 53920548