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109949101 = 1031067467
BaseRepresentation
bin1101000110110…
…11000010101101
321122212222210221
412203123002231
5211121332401
614524331341
72503360213
oct643330255
9248788727
10109949101
1157077429
12309a3b51
1319a18152
1410860cb3
1599bc7a1
hex68db0ad

109949101 has 4 divisors (see below), whose sum is σ = 111016672. Its totient is φ = 108881532.

The previous prime is 109949093. The next prime is 109949111. The reversal of 109949101 is 101949901.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 109949101 - 23 = 109949093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109949111) 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, 533631 + ... + 533836.

It is an arithmetic number, because the mean of its divisors is an integer number (27754168).

Almost surely, 2109949101 is an apocalyptic number.

It is an amenable number.

109949101 is a deficient number, since it is larger than the sum of its proper divisors (1067571).

109949101 is a wasteful number, since it uses less digits than its factorization.

109949101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067570.

The product of its (nonzero) digits is 2916, while the sum is 34.

The square root of 109949101 is about 10485.6616863219. The cubic root of 109949101 is about 479.0680717352.

The spelling of 109949101 in words is "one hundred nine million, nine hundred forty-nine thousand, one hundred one".

Divisors: 1 103 1067467 109949101