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53542680 = 2335446189
BaseRepresentation
bin1100110000111…
…1111100011000
310201202020202020
43030033330120
5102201331210
65151334440
71220051052
oct314177430
9121666666
1053542680
1128250454
1215b21420
13b128a79
14717a8d2
154a79770
hex330ff18

53542680 has 32 divisors (see below), whose sum is σ = 160628400. Its totient is φ = 14278016.

The previous prime is 53542669. The next prime is 53542681. The reversal of 53542680 is 8624535.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53542681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222975 + ... + 223214.

Almost surely, 253542680 is an apocalyptic number.

It is an amenable number.

53542680 is an abundant number, since it is smaller than the sum of its proper divisors (107085720).

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

53542680 is a wasteful number, since it uses less digits than its factorization.

53542680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446203 (or 446199 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 53542680 is about 7317.2863822595. The cubic root of 53542680 is about 376.9062754394.

The spelling of 53542680 in words is "fifty-three million, five hundred forty-two thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 446189 892378 1338567 1784756 2230945 2677134 3569512 4461890 5354268 6692835 8923780 10708536 13385670 17847560 26771340 53542680