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23877225 = 3252106121
BaseRepresentation
bin101101100010…
…1011001101001
31122221002101200
41123011121221
522103032400
62211434413
7406644621
oct133053151
948832350
1023877225
1112529349
127bb5a09
134c40148
143257881
152169b00
hex16c5669

23877225 has 18 divisors (see below), whose sum is σ = 42767166. Its totient is φ = 12734400.

The previous prime is 23877193. The next prime is 23877233. The reversal of 23877225 is 52277832.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 4613904 + 19263321 = 2148^2 + 4389^2 .

It is not a de Polignac number, because 23877225 - 25 = 23877193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23877225.

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 17 ways as a sum of consecutive naturals, for example, 52836 + ... + 53285.

Almost surely, 223877225 is an apocalyptic number.

23877225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23877225 is a deficient number, since it is larger than the sum of its proper divisors (18889941).

23877225 is a wasteful number, since it uses less digits than its factorization.

23877225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106137 (or 106129 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 23877225 is about 4886.4327479256. The cubic root of 23877225 is about 287.9572057364.

The spelling of 23877225 in words is "twenty-three million, eight hundred seventy-seven thousand, two hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 106121 318363 530605 955089 1591815 2653025 4775445 7959075 23877225