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108890007 = 3196832797
BaseRepresentation
bin1100111110110…
…00011110010111
321120220012000020
412133120132113
5210333440012
614445520223
72461356402
oct637303627
9246805006
10108890007
1156513746
1230573073
1319737075
1410666d39
15985da8c
hex67d8797

108890007 has 16 divisors (see below), whose sum is σ = 153106560. Its totient is φ = 68647392.

The previous prime is 108890003. The next prime is 108890017. The reversal of 108890007 is 700098801.

It is not a de Polignac number, because 108890007 - 22 = 108890003 is a prime.

It is a super-3 number, since 3×1088900073 (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 108890007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108890003) 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 15 ways as a sum of consecutive naturals, for example, 37533 + ... + 40329.

It is an arithmetic number, because the mean of its divisors is an integer number (9569160).

Almost surely, 2108890007 is an apocalyptic number.

108890007 is a deficient number, since it is larger than the sum of its proper divisors (44216553).

108890007 is a wasteful number, since it uses less digits than its factorization.

108890007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3502.

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 108890007 is about 10435.0374699854. The cubic root of 108890007 is about 477.5248848996.

The spelling of 108890007 in words is "one hundred eight million, eight hundred ninety thousand, seven".

Divisors: 1 3 19 57 683 2049 2797 8391 12977 38931 53143 159429 1910351 5731053 36296669 108890007