Search a number
-
+
23375320 = 2351930757
BaseRepresentation
bin101100100101…
…0110111011000
31121222120220121
41121022313120
521441002240
62153003024
7402454423
oct131126730
947876817
1023375320
1112216251
1279b3474
134ac5867
1431669ba
1520bb04a
hex164add8

23375320 has 32 divisors (see below), whose sum is σ = 55364400. Its totient is φ = 8857728.

The previous prime is 23375311. The next prime is 23375321. The reversal of 23375320 is 2357332.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23375321) 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, 14619 + ... + 16138.

Almost surely, 223375320 is an apocalyptic number.

23375320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23375320 is an abundant number, since it is smaller than the sum of its proper divisors (31989080).

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

23375320 is a wasteful number, since it uses less digits than its factorization.

23375320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30787 (or 30783 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 25.

The square root of 23375320 is about 4834.8029949523. The cubic root of 23375320 is about 285.9252579886.

The spelling of 23375320 in words is "twenty-three million, three hundred seventy-five thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 760 30757 61514 123028 153785 246056 307570 584383 615140 1168766 1230280 2337532 2921915 4675064 5843830 11687660 23375320