Search a number
-
+
153222261 = 3346914723
BaseRepresentation
bin10010010000111…
…11110001110101
3101200022111102120
421020133301311
5303211103021
623112030153
73540240063
oct1110376165
9350274376
10153222261
1179543175
1243392359
132598977a
14164c7033
15d6b92c6
hex921fc75

153222261 has 8 divisors (see below), whose sum is σ = 204369120. Its totient is φ = 102111792.

The previous prime is 153222253. The next prime is 153222263. The reversal of 153222261 is 162222351.

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

It is not a de Polignac number, because 153222261 - 23 = 153222253 is a prime.

It is a super-2 number, since 2×1532222612 = 46954122531904242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153222263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3046 + ... + 17768.

It is an arithmetic number, because the mean of its divisors is an integer number (25546140).

Almost surely, 2153222261 is an apocalyptic number.

It is an amenable number.

153222261 is a deficient number, since it is larger than the sum of its proper divisors (51146859).

153222261 is a wasteful number, since it uses less digits than its factorization.

153222261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18195.

The product of its digits is 1440, while the sum is 24.

The square root of 153222261 is about 12378.2979847797. The cubic root of 153222261 is about 535.1069876582.

The spelling of 153222261 in words is "one hundred fifty-three million, two hundred twenty-two thousand, two hundred sixty-one".

Divisors: 1 3 3469 10407 14723 44169 51074087 153222261