Search a number
-
+
53115492 = 22343791303
BaseRepresentation
bin1100101010011…
…1101001100100
310200221112202110
43022213221210
5102044143432
65134241020
71213321443
oct312475144
9120845673
1053115492
1127a89501
1215956170
13b0094b1
1470a8d5a
1549e2dcc
hex32a7a64

53115492 has 48 divisors (see below), whose sum is σ = 128522240. Its totient is φ = 17061408.

The previous prime is 53115481. The next prime is 53115511. The reversal of 53115492 is 29451135.

53115492 is digitally balanced in base 2 and base 9, because in such bases it contains all the possibile digits an equal number of times.

53115492 is strictly pandigital in base 9.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40113 + ... + 41415.

Almost surely, 253115492 is an apocalyptic number.

It is an amenable number.

53115492 is an abundant number, since it is smaller than the sum of its proper divisors (75406748).

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

53115492 is a wasteful number, since it uses less digits than its factorization.

53115492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432 (or 1430 counting only the distinct ones).

The product of its digits is 5400, while the sum is 30.

The square root of 53115492 is about 7288.0375959513. The cubic root of 53115492 is about 375.9012208454.

The spelling of 53115492 in words is "fifty-three million, one hundred fifteen thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 12 43 79 86 129 158 172 237 258 316 474 516 948 1303 2606 3397 3909 5212 6794 7818 10191 13588 15636 20382 40764 56029 102937 112058 168087 205874 224116 308811 336174 411748 617622 672348 1235244 4426291 8852582 13278873 17705164 26557746 53115492