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104423997 = 3157221707
BaseRepresentation
bin1100011100101…
…10001000111101
321021111021210110
412032112020331
5203213031442
614210100233
72405406066
oct616261075
9237437713
10104423997
1153a43327
122ab7a679
1318832362
14dc2356d
15927a69c
hex639623d

104423997 has 8 divisors (see below), whose sum is σ = 140119456. Its totient is φ = 69172272.

The previous prime is 104423993. The next prime is 104424029. The reversal of 104423997 is 799324401.

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

It is not a de Polignac number, because 104423997 - 22 = 104423993 is a prime.

It is a super-2 number, since 2×1044239972 = 21808742298912018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104423993) 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, 110383 + ... + 111324.

It is an arithmetic number, because the mean of its divisors is an integer number (17514932).

Almost surely, 2104423997 is an apocalyptic number.

It is an amenable number.

104423997 is a deficient number, since it is larger than the sum of its proper divisors (35695459).

104423997 is a wasteful number, since it uses less digits than its factorization.

104423997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221867.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 104423997 is about 10218.8060457179. The cubic root of 104423997 is about 470.9051472121.

The spelling of 104423997 in words is "one hundred four million, four hundred twenty-three thousand, nine hundred ninety-seven".

Divisors: 1 3 157 471 221707 665121 34807999 104423997