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106155649 = 2325717959
BaseRepresentation
bin1100101001111…
…00111010000001
321101202021011201
412110330322001
5204133440044
614311141201
72426210455
oct624747201
9241667151
10106155649
1154a16346
122b674801
1318cba5c2
1410154665
1594bd7d4
hex653ce81

106155649 has 8 divisors (see below), whose sum is σ = 111208320. Its totient is φ = 101139456.

The previous prime is 106155619. The next prime is 106155659. The reversal of 106155649 is 946551601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 106155649 - 27 = 106155521 is a prime.

It is a super-2 number, since 2×1061556492 = 22538043629222402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106155619) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3069 + ... + 14890.

It is an arithmetic number, because the mean of its divisors is an integer number (13901040).

Almost surely, 2106155649 is an apocalyptic number.

It is an amenable number.

106155649 is a deficient number, since it is larger than the sum of its proper divisors (5052671).

106155649 is a wasteful number, since it uses less digits than its factorization.

106155649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18239.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 106155649 is about 10303.1863518040. The cubic root of 106155649 is about 473.4938798886.

The spelling of 106155649 in words is "one hundred six million, one hundred fifty-five thousand, six hundred forty-nine".

Divisors: 1 23 257 5911 17959 413057 4615463 106155649