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52988199 = 3112612393
BaseRepresentation
bin1100101000100…
…0100100100111
310200201002010220
43022020210213
5102031110244
65131415423
71212251355
oct312104447
9120632126
1052988199
1127a01900
12158b4573
13ac93584
1470747d5
1549ba319
hex3288927

52988199 has 24 divisors (see below), whose sum is σ = 78963696. Its totient is φ = 31574400.

The previous prime is 52988183. The next prime is 52988209. The reversal of 52988199 is 99188925.

It is not a de Polignac number, because 52988199 - 24 = 52988183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52988119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20947 + ... + 23339.

It is an arithmetic number, because the mean of its divisors is an integer number (3290154).

Almost surely, 252988199 is an apocalyptic number.

52988199 is a deficient number, since it is larger than the sum of its proper divisors (25975497).

52988199 is a wasteful number, since it uses less digits than its factorization.

52988199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2479 (or 2468 counting only the distinct ones).

The product of its digits is 466560, while the sum is 51.

The square root of 52988199 is about 7279.2993481516. The cubic root of 52988199 is about 375.6006941525.

The spelling of 52988199 in words is "fifty-two million, nine hundred eighty-eight thousand, one hundred ninety-nine".

Divisors: 1 3 11 33 61 121 183 363 671 2013 2393 7179 7381 22143 26323 78969 145973 289553 437919 868659 1605703 4817109 17662733 52988199