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53680148 = 2213420037
BaseRepresentation
bin1100110011000…
…1100000010100
310202000020022122
43030301200110
5102220231043
65154315112
71221162614
oct314614024
9122006278
1053680148
1128334765
1215b88a98
13b176502
1471b4a44
154aa5368
hex3331814

53680148 has 6 divisors (see below), whose sum is σ = 93940266. Its totient is φ = 26840072.

The previous prime is 53680129. The next prime is 53680153. The reversal of 53680148 is 84108635.

It can be written as a sum of positive squares in only one way, i.e., 50951044 + 2729104 = 7138^2 + 1652^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6710015 + ... + 6710022.

It is an arithmetic number, because the mean of its divisors is an integer number (15656711).

Almost surely, 253680148 is an apocalyptic number.

It is an amenable number.

53680148 is a deficient number, since it is larger than the sum of its proper divisors (40260118).

53680148 is a wasteful number, since it uses less digits than its factorization.

53680148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13420041 (or 13420039 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 53680148 is about 7326.6737336939. The cubic root of 53680148 is about 377.2285620901.

The spelling of 53680148 in words is "fifty-three million, six hundred eighty thousand, one hundred forty-eight".

Divisors: 1 2 4 13420037 26840074 53680148