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106261231 = 433245407
BaseRepresentation
bin1100101010101…
…10101011101111
321101221122000011
412111112223233
5204200324411
614313314051
72430130336
oct625265357
9241848004
10106261231
1154a886aa
122b705927
131902668b
1410180d1d
1594dec21
hex6556aef

106261231 has 4 divisors (see below), whose sum is σ = 106507072. Its totient is φ = 106015392.

The previous prime is 106261223. The next prime is 106261247. The reversal of 106261231 is 132162601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 106261231 - 23 = 106261223 is a prime.

It is a super-2 number, since 2×1062612312 = 22582898427270722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106261291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122271 + ... + 123136.

It is an arithmetic number, because the mean of its divisors is an integer number (26626768).

Almost surely, 2106261231 is an apocalyptic number.

106261231 is a deficient number, since it is larger than the sum of its proper divisors (245841).

106261231 is an equidigital number, since it uses as much as digits as its factorization.

106261231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245840.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 106261231 is about 10308.3088331695. The cubic root of 106261231 is about 473.6508062710.

The spelling of 106261231 in words is "one hundred six million, two hundred sixty-one thousand, two hundred thirty-one".

Divisors: 1 433 245407 106261231