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52497011 = 721135543
BaseRepresentation
bin1100100001000…
…0101001110011
310122210010100202
43020100221303
5101414401021
65113105415
71205134340
oct310205163
9118703322
1052497011
11276a6866
12156b826b
13ab50b28
146d877c7
15491ea0b
hex3210a73

52497011 has 8 divisors (see below), whose sum is σ = 60282624. Its totient is φ = 44782920.

The previous prime is 52496993. The next prime is 52497031. The reversal of 52497011 is 11079425.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52497011 - 210 = 52495987 is a prime.

It is a super-3 number, since 3×524970113 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52497031) 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 7 ways as a sum of consecutive naturals, for example, 16295 + ... + 19248.

It is an arithmetic number, because the mean of its divisors is an integer number (7535328).

Almost surely, 252497011 is an apocalyptic number.

52497011 is a deficient number, since it is larger than the sum of its proper divisors (7785613).

52497011 is a wasteful number, since it uses less digits than its factorization.

52497011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35761.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 52497011 is about 7245.4821095632. The cubic root of 52497011 is about 374.4365131183.

The spelling of 52497011 in words is "fifty-two million, four hundred ninety-seven thousand, eleven".

Divisors: 1 7 211 1477 35543 248801 7499573 52497011