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53734820 = 2251091572
BaseRepresentation
bin1100110011111…
…0110110100100
310202010000022112
43030332312210
5102224003240
65155420152
71221511166
oct314766644
9122100275
1053734820
1128371847
1215bb4658
13b195369
1471ca936
154ab6665
hex333eda4

53734820 has 36 divisors (see below), whose sum is σ = 114608340. Its totient is φ = 21161088.

The previous prime is 53734817. The next prime is 53734823. The reversal of 53734820 is 2843735.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (53734817) and next prime (53734823).

It can be written as a sum of positive squares in 6 ways, for example, as 1779556 + 51955264 = 1334^2 + 7208^2 .

It is not an unprimeable number, because it can be changed into a prime (53734823) 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, 342182 + ... + 342338.

It is an arithmetic number, because the mean of its divisors is an integer number (3183565).

Almost surely, 253734820 is an apocalyptic number.

It is an amenable number.

53734820 is an abundant number, since it is smaller than the sum of its proper divisors (60873520).

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

53734820 is a wasteful number, since it uses less digits than its factorization.

53734820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 53734820 is about 7330.4038087953. The cubic root of 53734820 is about 377.3565848511.

The spelling of 53734820 in words is "fifty-three million, seven hundred thirty-four thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 109 157 218 314 436 545 628 785 1090 1570 2180 3140 17113 24649 34226 49298 68452 85565 98596 123245 171130 246490 342260 492980 2686741 5373482 10746964 13433705 26867410 53734820