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104720830 = 2510472083
BaseRepresentation
bin1100011110111…
…10100110111110
321022001100222021
412033132212332
5203302031310
614220310354
72411053354
oct617364676
9238040867
10104720830
1154126345
122b0a23ba
13189074b6
14dc9d7d4
1592d85da
hex63de9be

104720830 has 8 divisors (see below), whose sum is σ = 188497512. Its totient is φ = 41888328.

The previous prime is 104720809. The next prime is 104720831. The reversal of 104720830 is 38027401.

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

It is a junction number, because it is equal to n+sod(n) for n = 104720795 and 104720804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104720831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5236032 + ... + 5236051.

It is an arithmetic number, because the mean of its divisors is an integer number (23562189).

Almost surely, 2104720830 is an apocalyptic number.

104720830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

104720830 is a deficient number, since it is larger than the sum of its proper divisors (83776682).

104720830 is a wasteful number, since it uses less digits than its factorization.

104720830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10472090.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 104720830 is about 10233.3195982535. The cubic root of 104720830 is about 471.3509194328.

The spelling of 104720830 in words is "one hundred four million, seven hundred twenty thousand, eight hundred thirty".

Divisors: 1 2 5 10 10472083 20944166 52360415 104720830