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103974321 = 31123913183
BaseRepresentation
bin1100011001010…
…00010110110001
321020122102221210
412030220112301
5203104134241
614152310333
72401524063
oct614502661
9236572853
10103974321
11537664a0
122a9a23a9
1318705789
14db47733
1591dc316
hex63285b1

103974321 has 16 divisors (see below), whose sum is σ = 151879680. Its totient is φ = 62746320.

The previous prime is 103974263. The next prime is 103974323. The reversal of 103974321 is 123479301.

It is not a de Polignac number, because 103974321 - 26 = 103974257 is a prime.

It is a super-2 number, since 2×1039743212 = 21621318854822082, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103974323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1296 + ... + 14478.

It is an arithmetic number, because the mean of its divisors is an integer number (9492480).

Almost surely, 2103974321 is an apocalyptic number.

103974321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

103974321 is a deficient number, since it is larger than the sum of its proper divisors (47905359).

103974321 is a wasteful number, since it uses less digits than its factorization.

103974321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13436.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 103974321 is about 10196.7799329004. The cubic root of 103974321 is about 470.2282292790.

The spelling of 103974321 in words is "one hundred three million, nine hundred seventy-four thousand, three hundred twenty-one".

Divisors: 1 3 11 33 239 717 2629 7887 13183 39549 145013 435039 3150737 9452211 34658107 103974321