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19370242 = 217569713
BaseRepresentation
bin100100111100…
…1000100000010
31100110002222101
41021321010002
514424321432
61531101014
7323434003
oct111710402
940402871
1019370242
11aa30171
1265a176a
1340228a8
1428031aa
151a794e7
hex1279102

19370242 has 8 divisors (see below), whose sum is σ = 30764556. Its totient is φ = 9115392.

The previous prime is 19370237. The next prime is 19370243. The reversal of 19370242 is 24207391.

It can be written as a sum of positive squares in 2 ways, for example, as 15374241 + 3996001 = 3921^2 + 1999^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 19370242.

It is not an unprimeable number, because it can be changed into a prime (19370243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284823 + ... + 284890.

Almost surely, 219370242 is an apocalyptic number.

19370242 is a deficient number, since it is larger than the sum of its proper divisors (11394314).

19370242 is a wasteful number, since it uses less digits than its factorization.

19370242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569732.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 19370242 is about 4401.1637097477. The cubic root of 19370242 is about 268.5622801590.

The spelling of 19370242 in words is "nineteen million, three hundred seventy thousand, two hundred forty-two".

Divisors: 1 2 17 34 569713 1139426 9685121 19370242