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109215059 = 1931718133
BaseRepresentation
bin1101000001001…
…11110101010011
321121111200220012
412200213311103
5210424340214
614500505135
72464212152
oct640476523
9247450805
10109215059
1156715988
12306ab1ab
131981bcc5
141070d599
1598c503e
hex6827d53

109215059 has 8 divisors (see below), whose sum is σ = 115332240. Its totient is φ = 103134816.

The previous prime is 109215031. The next prime is 109215061. The reversal of 109215059 is 950512901.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-109215059 is a prime.

It is a super-2 number, since 2×1092150592 = 23855858224746962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109215019) 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, 3044 + ... + 15089.

It is an arithmetic number, because the mean of its divisors is an integer number (14416530).

Almost surely, 2109215059 is an apocalyptic number.

109215059 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

109215059 is a deficient number, since it is larger than the sum of its proper divisors (6117181).

109215059 is a wasteful number, since it uses less digits than its factorization.

109215059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18469.

The product of its (nonzero) digits is 4050, while the sum is 32.

The square root of 109215059 is about 10450.6008918148. The cubic root of 109215059 is about 477.9995725444. Note that the first 3 decimals are identical.

The spelling of 109215059 in words is "one hundred nine million, two hundred fifteen thousand, fifty-nine".

Divisors: 1 19 317 6023 18133 344527 5748161 109215059