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53398926 = 23473312
BaseRepresentation
bin1100101110110…
…0110110001110
310201110221120000
43023230312032
5102132231201
65144305130
71215612000
oct313546616
9121427500
1053398926
1128162449
1215a721a6
13b0a84c9
147140370
154a4bd86
hex32ecd8e

53398926 has 120 divisors (see below), whose sum is σ = 144183600. Its totient is φ = 14764680.

The previous prime is 53398903. The next prime is 53398979. The reversal of 53398926 is 62989335.

53398926 is a `hidden beast` number, since 533 + 98 + 9 + 26 = 666.

53398926 is nontrivially palindromic in base 5.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1722531 + ... + 1722561.

It is an arithmetic number, because the mean of its divisors is an integer number (1201530).

Almost surely, 253398926 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53398926, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72091800).

53398926 is an abundant number, since it is smaller than the sum of its proper divisors (90784674).

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

53398926 is an equidigital number, since it uses as much as digits as its factorization.

53398926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97 (or 43 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 53398926 is about 7307.4568763695. The cubic root of 53398926 is about 376.5686609909.

The spelling of 53398926 in words is "fifty-three million, three hundred ninety-eight thousand, nine hundred twenty-six".

Divisors: 1 2 3 6 7 9 14 18 21 27 31 42 49 54 62 63 81 93 98 126 147 162 186 189 217 279 294 343 378 434 441 558 567 651 686 837 882 961 1029 1134 1302 1323 1519 1674 1922 1953 2058 2511 2646 2883 3038 3087 3906 3969 4557 5022 5766 5859 6174 6727 7938 8649 9114 9261 10633 11718 13454 13671 17298 17577 18522 20181 21266 25947 27342 27783 31899 35154 40362 41013 47089 51894 55566 60543 63798 77841 82026 94178 95697 121086 123039 141267 155682 181629 191394 246078 282534 287091 329623 363258 423801 544887 574182 659246 847602 861273 988869 1089774 1271403 1722546 1977738 2542806 2966607 3814209 5933214 7628418 8899821 17799642 26699463 53398926