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53883140 = 2252694157
BaseRepresentation
bin1100110110001…
…1000100000100
310202101112202212
43031203010010
5102243230030
65202522552
71222666463
oct315430404
9122345685
1053883140
1128463223
1216066458
13b217a1c
1472289da
154ae5595
hex3363104

53883140 has 12 divisors (see below), whose sum is σ = 113154636. Its totient is φ = 21553248.

The previous prime is 53883133. The next prime is 53883161. The reversal of 53883140 is 4138835.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 33016516 + 20866624 = 5746^2 + 4568^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53883097 and 53883106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1347059 + ... + 1347098.

It is an arithmetic number, because the mean of its divisors is an integer number (9429553).

Almost surely, 253883140 is an apocalyptic number.

It is an amenable number.

53883140 is an abundant number, since it is smaller than the sum of its proper divisors (59271496).

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

53883140 is a wasteful number, since it uses less digits than its factorization.

53883140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2694166 (or 2694164 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 53883140 is about 7340.5136060088. The cubic root of 53883140 is about 377.7034618009.

The spelling of 53883140 in words is "fifty-three million, eight hundred eighty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 2694157 5388314 10776628 13470785 26941570 53883140