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110297921 = 1719013413
BaseRepresentation
bin1101001001100…
…00001101000001
321200112201022012
412210300031001
5211214013141
614540022305
72506342166
oct644601501
9250481265
10110297921
1157295508
1230b31995
1319b0ab56
141091206d
159a3aceb
hex6930341

110297921 has 8 divisors (see below), whose sum is σ = 116881704. Its totient is φ = 103724800.

The previous prime is 110297917. The next prime is 110297923. The reversal of 110297921 is 129792011.

It can be written as a sum of positive squares in 4 ways, for example, as 31798321 + 78499600 = 5639^2 + 8860^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 110297921 - 22 = 110297917 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110297923) 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, 30611 + ... + 34023.

It is an arithmetic number, because the mean of its divisors is an integer number (14610213).

Almost surely, 2110297921 is an apocalyptic number.

It is an amenable number.

110297921 is a deficient number, since it is larger than the sum of its proper divisors (6583783).

110297921 is a wasteful number, since it uses less digits than its factorization.

110297921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5331.

The product of its (nonzero) digits is 2268, while the sum is 32.

The square root of 110297921 is about 10502.2817044678. The cubic root of 110297921 is about 479.5741608059.

The spelling of 110297921 in words is "one hundred ten million, two hundred ninety-seven thousand, nine hundred twenty-one".

Divisors: 1 17 1901 3413 32317 58021 6488113 110297921