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52619489 = 139294357
BaseRepresentation
bin1100100010111…
…0100011100001
310200000100100222
43020232203201
5101432310424
65115452425
71206154406
oct310564341
9120010328
1052619489
112777a88a
1215757115
13ab947c0
146dba2ad
154945e5e
hex322e8e1

52619489 has 8 divisors (see below), whose sum is σ = 56741160. Its totient is φ = 48508416.

The previous prime is 52619473. The next prime is 52619491. The reversal of 52619489 is 98491625.

It can be written as a sum of positive squares in 4 ways, for example, as 3268864 + 49350625 = 1808^2 + 7025^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 52619489 - 24 = 52619473 is a prime.

It is a super-2 number, since 2×526194892 = 5537621245242242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52619419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9899 + ... + 14255.

It is an arithmetic number, because the mean of its divisors is an integer number (7092645).

Almost surely, 252619489 is an apocalyptic number.

It is an amenable number.

52619489 is a deficient number, since it is larger than the sum of its proper divisors (4121671).

52619489 is a wasteful number, since it uses less digits than its factorization.

52619489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5299.

The product of its digits is 155520, while the sum is 44.

The square root of 52619489 is about 7253.9292111241. The cubic root of 52619489 is about 374.7274796313.

The spelling of 52619489 in words is "fifty-two million, six hundred nineteen thousand, four hundred eighty-nine".

Divisors: 1 13 929 4357 12077 56641 4047653 52619489