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106487909 = 1143225133
BaseRepresentation
bin1100101100011…
…10000001100101
321102101010221122
412112032001211
5204230103114
614322223325
72432063243
oct626160145
9242333848
10106487909
1155122a40
122b7b4b45
13190a58c8
14101dd793
159536e8e
hex658e065

106487909 has 8 divisors (see below), whose sum is σ = 118870752. Its totient is φ = 94555440.

The previous prime is 106487903. The next prime is 106487917. The reversal of 106487909 is 909784601.

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 106487909 - 220 = 105439333 is a prime.

It is a super-2 number, since 2×1064879092 = 22679349526384562, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106487909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106487903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112094 + ... + 113039.

It is an arithmetic number, because the mean of its divisors is an integer number (14858844).

Almost surely, 2106487909 is an apocalyptic number.

It is an amenable number.

106487909 is a deficient number, since it is larger than the sum of its proper divisors (12382843).

106487909 is a wasteful number, since it uses less digits than its factorization.

106487909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225187.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 106487909 is about 10319.2978927832. The cubic root of 106487909 is about 473.9873666569.

The spelling of 106487909 in words is "one hundred six million, four hundred eighty-seven thousand, nine hundred nine".

Divisors: 1 11 43 473 225133 2476463 9680719 106487909