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10220625 = 32542379
BaseRepresentation
bin100110111111…
…010001010001
3201020021001200
4212333101101
510104030000
61003021413
7152605512
oct46772121
921207050
1010220625
1158509a8
12350a869
13216b10c
141500a09
15d6d500
hex9bf451

10220625 has 60 divisors (see below), whose sum is σ = 19493760. Its totient is φ = 5148000.

The previous prime is 10220597. The next prime is 10220647. The reversal of 10220625 is 52602201.

It is not a de Polignac number, because 10220625 - 25 = 10220593 is a prime.

It is a super-2 number, since 2×102206252 = 208922350781250, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10220598 and 10220607.

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 59 ways as a sum of consecutive naturals, for example, 129336 + ... + 129414.

It is an arithmetic number, because the mean of its divisors is an integer number (324896).

Almost surely, 210220625 is an apocalyptic number.

10220625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10220625 is a deficient number, since it is larger than the sum of its proper divisors (9273135).

10220625 is an equidigital number, since it uses as much as digits as its factorization.

10220625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 10220625 is about 3196.9712228921. The cubic root of 10220625 is about 217.0163649377.

Adding to 10220625 its reverse (52602201), we get a palindrome (62822826).

The spelling of 10220625 in words is "ten million, two hundred twenty thousand, six hundred twenty-five".

Divisors: 1 3 5 9 15 23 25 45 69 75 79 115 125 207 225 237 345 375 395 575 625 711 1035 1125 1185 1725 1817 1875 1975 2875 3555 5175 5451 5625 5925 8625 9085 9875 14375 16353 17775 25875 27255 29625 43125 45425 49375 81765 88875 129375 136275 148125 227125 408825 444375 681375 1135625 2044125 3406875 10220625