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109215370 = 2511992867
BaseRepresentation
bin1101000001001…
…11111010001010
321121111201022201
412200213322022
5210424342440
614500510414
72464213105
oct640477212
9247451281
10109215370
1156716140
12306ab40a
131981c1a4
141070d73c
1598c519a
hex6827e8a

109215370 has 16 divisors (see below), whose sum is σ = 214459488. Its totient is φ = 39714640.

The previous prime is 109215347. The next prime is 109215383. The reversal of 109215370 is 73512901.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496324 + ... + 496543.

It is an arithmetic number, because the mean of its divisors is an integer number (13403718).

Almost surely, 2109215370 is an apocalyptic number.

109215370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109215370 is a deficient number, since it is larger than the sum of its proper divisors (105244118).

109215370 is a wasteful number, since it uses less digits than its factorization.

109215370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992885.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 109215370 is about 10450.6157713314. The cubic root of 109215370 is about 478.0000262600. Note that the first 4 decimals are identical.

The spelling of 109215370 in words is "one hundred nine million, two hundred fifteen thousand, three hundred seventy".

Divisors: 1 2 5 10 11 22 55 110 992867 1985734 4964335 9928670 10921537 21843074 54607685 109215370