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109829391 = 375229971
BaseRepresentation
bin1101000101111…
…01110100001111
321122122220121020
412202331310033
5211104020031
614522005223
72502351210
oct642756417
9248586536
10109829391
1156aa54a1
1230946813
13199a5809
141082d407
159997096
hex68bdd0f

109829391 has 8 divisors (see below), whose sum is σ = 167359104. Its totient is φ = 62759640.

The previous prime is 109829389. The next prime is 109829399. The reversal of 109829391 is 193928901.

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

It is not a de Polignac number, because 109829391 - 21 = 109829389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109829399) 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, 2614965 + ... + 2615006.

It is an arithmetic number, because the mean of its divisors is an integer number (20919888).

Almost surely, 2109829391 is an apocalyptic number.

109829391 is a deficient number, since it is larger than the sum of its proper divisors (57529713).

109829391 is an equidigital number, since it uses as much as digits as its factorization.

109829391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5229981.

The product of its (nonzero) digits is 34992, while the sum is 42.

The square root of 109829391 is about 10479.9518605765. The cubic root of 109829391 is about 478.8941425733.

The spelling of 109829391 in words is "one hundred nine million, eight hundred twenty-nine thousand, three hundred ninety-one".

Divisors: 1 3 7 21 5229971 15689913 36609797 109829391