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103049023 = 7111338299
BaseRepresentation
bin1100010010001…
…10011100111111
321011220102200111
412021012130333
5202340032043
614120410451
72360621320
oct611063477
9234812614
10103049023
1153194290
122a616a27
131847056c
14d986447
1590a809d
hex624673f

103049023 has 8 divisors (see below), whose sum is σ = 128476800. Its totient is φ = 80297880.

The previous prime is 103048997. The next prime is 103049041. The reversal of 103049023 is 320940301.

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 103049023 - 217 = 102917951 is a prime.

It is a super-3 number, since 3×1030490233 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103048985 and 103049003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103049123) 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, 669073 + ... + 669226.

It is an arithmetic number, because the mean of its divisors is an integer number (16059600).

Almost surely, 2103049023 is an apocalyptic number.

103049023 is a deficient number, since it is larger than the sum of its proper divisors (25427777).

103049023 is a wasteful number, since it uses less digits than its factorization.

103049023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338317.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 103049023 is about 10151.3064676425. The cubic root of 103049023 is about 468.8291711488.

Adding to 103049023 its reverse (320940301), we get a palindrome (423989324).

The spelling of 103049023 in words is "one hundred three million, forty-nine thousand, twenty-three".

Divisors: 1 7 11 77 1338299 9368093 14721289 103049023