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53630694 = 23313241317
BaseRepresentation
bin1100110010010…
…1011011100110
310201220201111000
43030211123212
5102212140234
65153254130
71220565465
oct314453346
9121821430
1053630694
1128300597
1215b64346
13b159b50
1471a09dc
154a95899
hex33256e6

53630694 has 64 divisors (see below), whose sum is σ = 129286080. Its totient is φ = 16381440.

The previous prime is 53630693. The next prime is 53630719. The reversal of 53630694 is 49603635.

53630694 is a `hidden beast` number, since 536 + 30 + 6 + 94 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53630693) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 169024 + ... + 169340.

It is an arithmetic number, because the mean of its divisors is an integer number (2020095).

Almost surely, 253630694 is an apocalyptic number.

53630694 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 53630694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64643040).

53630694 is an abundant number, since it is smaller than the sum of its proper divisors (75655386).

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

53630694 is a wasteful number, since it uses less digits than its factorization.

53630694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582 (or 576 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The square root of 53630694 is about 7323.2980275283. The cubic root of 53630694 is about 377.1126831674.

The spelling of 53630694 in words is "fifty-three million, six hundred thirty thousand, six hundred ninety-four".

Divisors: 1 2 3 6 9 13 18 26 27 39 54 78 117 234 241 317 351 482 634 702 723 951 1446 1902 2169 2853 3133 4121 4338 5706 6266 6507 8242 8559 9399 12363 13014 17118 18798 24726 28197 37089 56394 74178 76397 84591 111267 152794 169182 222534 229191 458382 687573 993161 1375146 1986322 2062719 2979483 4125438 5958966 8938449 17876898 26815347 53630694