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10231906 = 2373101
BaseRepresentation
bin100111000010…
…000001100010
3201020211112111
4213002001202
510104410111
61003145534
7152653426
oct47020142
921224474
1010231906
115859423
1235152aa
1321732a9
141504b86
15d71a21
hex9c2062

10231906 has 16 divisors (see below), whose sum is σ = 15930360. Its totient is φ = 4928400.

The previous prime is 10231901. The next prime is 10231913. The reversal of 10231906 is 60913201.

It can be written as a sum of positive squares in 4 ways, for example, as 9865881 + 366025 = 3141^2 + 605^2 .

It is a super-4 number, since 4×102319064 (a number of 29 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (10231901) 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, 101256 + ... + 101356.

Almost surely, 210231906 is an apocalyptic number.

10231906 is a deficient number, since it is larger than the sum of its proper divisors (5698454).

10231906 is an frugal number, since it uses more digits than its factorization.

10231906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 10231906 is about 3198.7350624895. The cubic root of 10231906 is about 217.0961794124.

The spelling of 10231906 in words is "ten million, two hundred thirty-one thousand, nine hundred six".

Divisors: 1 2 37 74 101 202 1369 2738 3737 7474 50653 101306 138269 276538 5115953 10231906