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110430021 = 3132831539
BaseRepresentation
bin1101001010100…
…00011101000101
321200210102111210
412211100131011
5211232230041
614542522033
72510432262
oct645203505
9250712453
10110430021
1157375789
1230b96319
1319b56010
1410948269
159a65016
hex6950745

110430021 has 8 divisors (see below), whose sum is σ = 158566240. Its totient is φ = 67956912.

The previous prime is 110430017. The next prime is 110430031. The reversal of 110430021 is 120034011.

It is a happy number.

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

It is not a de Polignac number, because 110430021 - 22 = 110430017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110429979 and 110430006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110430031) 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, 1415731 + ... + 1415808.

It is an arithmetic number, because the mean of its divisors is an integer number (19820780).

Almost surely, 2110430021 is an apocalyptic number.

It is an amenable number.

110430021 is a deficient number, since it is larger than the sum of its proper divisors (48136219).

110430021 is a wasteful number, since it uses less digits than its factorization.

110430021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831555.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 110430021 is about 10508.5689320668. The cubic root of 110430021 is about 479.7655408775.

Adding to 110430021 its reverse (120034011), we get a palindrome (230464032).

It can be divided in two parts, 1104 and 30021, that added together give a triangular number (31125 = T249).

The spelling of 110430021 in words is "one hundred ten million, four hundred thirty thousand, twenty-one".

Divisors: 1 3 13 39 2831539 8494617 36810007 110430021