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19852207 = 197611373
BaseRepresentation
bin100101110111…
…0101110101111
31101100121002221
41023232232233
520040232312
61545300211
7330512104
oct113565657
941317087
1019852207
111022a291
126794667
13416108b
1428caaab
151b22207
hex12eebaf

19852207 has 8 divisors (see below), whose sum is σ = 20939760. Its totient is φ = 18768960.

The previous prime is 19852201. The next prime is 19852213. The reversal of 19852207 is 70225891.

It is an interprime number because it is at equal distance from previous prime (19852201) and next prime (19852213).

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

It is not a de Polignac number, because 19852207 - 23 = 19852199 is a prime.

It is a super-2 number, since 2×198522072 = 788220245541698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19852201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13773 + ... + 15145.

It is an arithmetic number, because the mean of its divisors is an integer number (2617470).

Almost surely, 219852207 is an apocalyptic number.

19852207 is a deficient number, since it is larger than the sum of its proper divisors (1087553).

19852207 is a wasteful number, since it uses less digits than its factorization.

19852207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2153.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 19852207 is about 4455.5815557568. The cubic root of 19852207 is about 270.7714880377.

The spelling of 19852207 in words is "nineteen million, eight hundred fifty-two thousand, two hundred seven".

Divisors: 1 19 761 1373 14459 26087 1044853 19852207