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10255531 = 1113292473
BaseRepresentation
bin100111000111…
…110010101011
3201022000221111
4213013302223
510111134111
61003451151
7153112336
oct47076253
921260844
1010255531
115875150
123526ab7
132180c80
14150d61d
15d78a21
hex9c7cab

10255531 has 16 divisors (see below), whose sum is σ = 12468960. Its totient is φ = 8305920.

The previous prime is 10255529. The next prime is 10255571. The reversal of 10255531 is 13555201.

10255531 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10255531 - 21 = 10255529 is a prime.

It is a super-2 number, since 2×102555312 = 210351832183922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10255501) 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, 2911 + ... + 5383.

It is an arithmetic number, because the mean of its divisors is an integer number (779310).

Almost surely, 210255531 is an apocalyptic number.

10255531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10255531 is a deficient number, since it is larger than the sum of its proper divisors (2213429).

10255531 is a wasteful number, since it uses less digits than its factorization.

10255531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2526.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 10255531 is about 3202.4257992965. The cubic root of 10255531 is about 217.2631393392.

It can be divided in two parts, 1025 and 5531, that added together give a palindrome (6556).

The spelling of 10255531 in words is "ten million, two hundred fifty-five thousand, five hundred thirty-one".

Divisors: 1 11 13 29 143 319 377 2473 4147 27203 32149 71717 353639 788887 932321 10255531