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18948034 = 275092659
BaseRepresentation
bin100100001000…
…1111111000010
31022122122211001
41020101333002
514322314114
61514042214
7320025040
oct110217702
938578731
1018948034
11a771a36
12641936a
133c05671
142733390
1519e4374
hex1211fc2

18948034 has 16 divisors (see below), whose sum is σ = 32558400. Its totient is φ = 8101584.

The previous prime is 18948031. The next prime is 18948043. The reversal of 18948034 is 43084981.

It is a junction number, because it is equal to n+sod(n) for n = 18947984 and 18948002.

It is not an unprimeable number, because it can be changed into a prime (18948031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5797 + ... + 8455.

It is an arithmetic number, because the mean of its divisors is an integer number (2034900).

Almost surely, 218948034 is an apocalyptic number.

18948034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18948034 is a deficient number, since it is larger than the sum of its proper divisors (13610366).

18948034 is a wasteful number, since it uses less digits than its factorization.

18948034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3177.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 18948034 is about 4352.9339530942. The cubic root of 18948034 is about 266.5966687805.

The spelling of 18948034 in words is "eighteen million, nine hundred forty-eight thousand, thirty-four".

Divisors: 1 2 7 14 509 1018 2659 3563 5318 7126 18613 37226 1353431 2706862 9474017 18948034