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109019732 = 221031072473
BaseRepresentation
bin1100111111110…
…00001001010100
321121010202221212
412133320021110
5210402112412
614452400552
72462436533
oct637701124
9247122855
10109019732
11565a2158
1230616158
1319781123
141069c31a
159887222
hex67f8254

109019732 has 24 divisors (see below), whose sum is σ = 194515776. Its totient is φ = 53454528.

The previous prime is 109019707. The next prime is 109019737. The reversal of 109019732 is 237910901.

It is a happy number.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109019737) 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, 42848 + ... + 45320.

It is an arithmetic number, because the mean of its divisors is an integer number (8104824).

Almost surely, 2109019732 is an apocalyptic number.

It is an amenable number.

109019732 is a deficient number, since it is larger than the sum of its proper divisors (85496044).

109019732 is a wasteful number, since it uses less digits than its factorization.

109019732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2687 (or 2685 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 109019732 is about 10441.2514575601. The cubic root of 109019732 is about 477.7144411124.

The spelling of 109019732 in words is "one hundred nine million, nineteen thousand, seven hundred thirty-two".

Divisors: 1 2 4 103 107 206 214 412 428 2473 4946 9892 11021 22042 44084 254719 264611 509438 529222 1018876 1058444 27254933 54509866 109019732