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109897073 = 11134091879
BaseRepresentation
bin1101000110011…
…10010101110001
321122210100102222
412203032111301
5211113201243
614523250425
72503052426
oct643162561
9248710388
10109897073
1157041330
1230979a15
13199ca570
1410849d4d
1599ac168
hex68ce571

109897073 has 16 divisors (see below), whose sum is σ = 129494400. Its totient is φ = 91946880.

The previous prime is 109897031. The next prime is 109897091. The reversal of 109897073 is 370798901.

It is a cyclic number.

It is not a de Polignac number, because 109897073 - 210 = 109896049 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109897003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57548 + ... + 59426.

It is an arithmetic number, because the mean of its divisors is an integer number (8093400).

Almost surely, 2109897073 is an apocalyptic number.

109897073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

109897073 is a deficient number, since it is larger than the sum of its proper divisors (19597327).

109897073 is a wasteful number, since it uses less digits than its factorization.

109897073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312.

The product of its (nonzero) digits is 95256, while the sum is 44.

The square root of 109897073 is about 10483.1804811326. The cubic root of 109897073 is about 478.9924946850.

The spelling of 109897073 in words is "one hundred nine million, eight hundred ninety-seven thousand, seventy-three".

Divisors: 1 11 13 143 409 1879 4499 5317 20669 24427 58487 268697 768511 8453621 9990643 109897073