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106261549 = 739143791
BaseRepresentation
bin1100101010101…
…10110000101101
321101221122102221
412111112300231
5204200332144
614313315341
72430131302
oct625266055
9241848387
10106261549
1154a88969
122b705b51
1319026874
14101810a9
1594ded84
hex6556c2d

106261549 has 4 divisors (see below), whose sum is σ = 106406080. Its totient is φ = 106117020.

The previous prime is 106261523. The next prime is 106261553. The reversal of 106261549 is 945162601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 945162601 = 1193792257.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-106261549 is a prime.

It is a super-2 number, since 2×1062615492 = 22583033591758802, 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 (106261559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71157 + ... + 72634.

It is an arithmetic number, because the mean of its divisors is an integer number (26601520).

Almost surely, 2106261549 is an apocalyptic number.

It is an amenable number.

106261549 is a deficient number, since it is larger than the sum of its proper divisors (144531).

106261549 is an equidigital number, since it uses as much as digits as its factorization.

106261549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144530.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 106261549 is about 10308.3242576085. The cubic root of 106261549 is about 473.6512787569.

The spelling of 106261549 in words is "one hundred six million, two hundred sixty-one thousand, five hundred forty-nine".

Divisors: 1 739 143791 106261549