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109874287 is a prime number
BaseRepresentation
bin1101000110010…
…00110001101111
321122202012012001
412203020301233
5211111434122
614522553131
72502626125
oct643106157
9248665161
10109874287
11570261a6
12309687a7
13199c0093
1410841915
1599a5527
hex68c8c6f

109874287 has 2 divisors, whose sum is σ = 109874288. Its totient is φ = 109874286.

The previous prime is 109874263. The next prime is 109874291. The reversal of 109874287 is 782478901.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-109874287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109874257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54937143 + 54937144.

It is an arithmetic number, because the mean of its divisors is an integer number (54937144).

Almost surely, 2109874287 is an apocalyptic number.

109874287 is a deficient number, since it is larger than the sum of its proper divisors (1).

109874287 is an equidigital number, since it uses as much as digits as its factorization.

109874287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 46.

The square root of 109874287 is about 10482.0936362923. The cubic root of 109874287 is about 478.9593877147.

The spelling of 109874287 in words is "one hundred nine million, eight hundred seventy-four thousand, two hundred eighty-seven".