Search a number
-
+
22961750 = 253713121
BaseRepresentation
bin101011110010…
…1111001010110
31121012120121012
41113211321112
521334234000
62140052222
7366112610
oct127457126
947176535
1022961750
1111a63559
127834072
1349ac546
143099db0
152038735
hex15e5e56

22961750 has 32 divisors (see below), whose sum is σ = 49128768. Its totient is φ = 7872000.

The previous prime is 22961723. The next prime is 22961753. The reversal of 22961750 is 5716922.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22961753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4811 + ... + 8310.

It is an arithmetic number, because the mean of its divisors is an integer number (1535274).

Almost surely, 222961750 is an apocalyptic number.

22961750 is an abundant number, since it is smaller than the sum of its proper divisors (26167018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22961750 is a wasteful number, since it uses less digits than its factorization.

22961750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13145 (or 13135 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 22961750 is about 4791.8420257767. The cubic root of 22961750 is about 284.2289613641.

The spelling of 22961750 in words is "twenty-two million, nine hundred sixty-one thousand, seven hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 125 175 250 350 875 1750 13121 26242 65605 91847 131210 183694 328025 459235 656050 918470 1640125 2296175 3280250 4592350 11480875 22961750