[go: up one dir, main page]

Search a number
-
+
203122369 = 1933731723
BaseRepresentation
bin11000001101101…
…10011011000001
3112011012200111201
430012312123001
5403444403434
632053341201
75014340332
oct1406663301
9464180451
10203122369
11a472592a
1258037801
133310b568
141cd96289
1512c74614
hexc1b66c1

203122369 has 8 divisors (see below), whose sum is σ = 214454240. Its totient is φ = 191854656.

The previous prime is 203122357. The next prime is 203122379. The reversal of 203122369 is 963221302.

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 203122369 - 29 = 203121857 is a prime.

It is a super-2 number, since 2×2031223692 = 82517393576344322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203122319) by changing a digit.

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, 9459 + ... + 22264.

It is an arithmetic number, because the mean of its divisors is an integer number (26806780).

Almost surely, 2203122369 is an apocalyptic number.

It is an amenable number.

203122369 is a deficient number, since it is larger than the sum of its proper divisors (11331871).

203122369 is a wasteful number, since it uses less digits than its factorization.

203122369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32079.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 203122369 is about 14252.1005118544. The cubic root of 203122369 is about 587.8311339247.

The spelling of 203122369 in words is "two hundred three million, one hundred twenty-two thousand, three hundred sixty-nine".

Divisors: 1 19 337 6403 31723 602737 10690651 203122369