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53199342 = 2347431091
BaseRepresentation
bin1100101011110…
…0000111101110
310201002210210000
43022330013232
5102104334332
65140125130
71214121060
oct312740756
9121083700
1053199342
11280364a9
12159967a6
13b038701
1470cb730
154a0cb7c
hex32bc1ee

53199342 has 80 divisors (see below), whose sum is σ = 139531392. Its totient is φ = 14832720.

The previous prime is 53199329. The next prime is 53199361. The reversal of 53199342 is 24399135.

It is a happy number.

53199342 is a `hidden beast` number, since 531 + 99 + 34 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 53199297 and 53199306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 48217 + ... + 49307.

Almost surely, 253199342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53199342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69765696).

53199342 is an abundant number, since it is smaller than the sum of its proper divisors (86332050).

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

53199342 is a wasteful number, since it uses less digits than its factorization.

53199342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155 (or 1146 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 53199342 is about 7293.7879047858. The cubic root of 53199342 is about 376.0989205175.

The spelling of 53199342 in words is "fifty-three million, one hundred ninety-nine thousand, three hundred forty-two".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 43 54 63 81 86 126 129 162 189 258 301 378 387 567 602 774 903 1091 1134 1161 1806 2182 2322 2709 3273 3483 5418 6546 6966 7637 8127 9819 15274 16254 19638 22911 24381 29457 45822 46913 48762 58914 68733 88371 93826 137466 140739 176742 206199 281478 328391 412398 422217 618597 656782 844434 985173 1237194 1266651 1970346 2533302 2955519 3799953 5911038 7599906 8866557 17733114 26599671 53199342