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190538245 = 5311229279
BaseRepresentation
bin10110101101101…
…10001000000101
3111021112100100001
423112312020011
5342234210440
630523521301
74502356042
oct1326661005
9437470301
10190538245
1198610227
1253989231
1330623731
141b43c1c9
1511adab9a
hexb5b6205

190538245 has 8 divisors (see below), whose sum is σ = 236021760. Its totient is φ = 147513360.

The previous prime is 190538237. The next prime is 190538267. The reversal of 190538245 is 542835091.

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

It is not a de Polignac number, because 190538245 - 23 = 190538237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 614485 + ... + 614794.

It is an arithmetic number, because the mean of its divisors is an integer number (29502720).

Almost surely, 2190538245 is an apocalyptic number.

It is an amenable number.

190538245 is a deficient number, since it is larger than the sum of its proper divisors (45483515).

190538245 is a wasteful number, since it uses less digits than its factorization.

190538245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229315.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 190538245 is about 13803.5591424821. The cubic root of 190538245 is about 575.4320583803.

The spelling of 190538245 in words is "one hundred ninety million, five hundred thirty-eight thousand, two hundred forty-five".

Divisors: 1 5 31 155 1229279 6146395 38107649 190538245