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52509190 = 255250919
BaseRepresentation
bin1100100001001…
…1101000000110
310122210202001211
43020103220012
5101420243230
65113242034
71205215006
oct310235006
9118722054
1052509190
1127704a28
121570331a
13ab56536
146d8c006
15492342a
hex3213a06

52509190 has 8 divisors (see below), whose sum is σ = 94516560. Its totient is φ = 21003672.

The previous prime is 52509187. The next prime is 52509241. The reversal of 52509190 is 9190525.

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

It is a super-2 number, since 2×525091902 = 5514430068912200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2625450 + ... + 2625469.

It is an arithmetic number, because the mean of its divisors is an integer number (11814570).

Almost surely, 252509190 is an apocalyptic number.

52509190 is a deficient number, since it is larger than the sum of its proper divisors (42007370).

52509190 is a wasteful number, since it uses less digits than its factorization.

52509190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5250926.

The product of its (nonzero) digits is 4050, while the sum is 31.

The square root of 52509190 is about 7246.3225155937. The cubic root of 52509190 is about 374.4654665742.

The spelling of 52509190 in words is "fifty-two million, five hundred nine thousand, one hundred ninety".

Divisors: 1 2 5 10 5250919 10501838 26254595 52509190