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14808140 = 2253720011
BaseRepresentation
bin111000011111…
…010001001100
31000212022221122
4320133101030
512242330030
61245220112
7236603264
oct70372114
930768848
1014808140
1183a4636
124b61638
1330b6219
141d767a4
1514778e5
hexe1f44c

14808140 has 24 divisors (see below), whose sum is σ = 31939152. Its totient is φ = 5762880.

The previous prime is 14808137. The next prime is 14808151. The reversal of 14808140 is 4180841.

14808140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

14808140 is a modest number, since divided by 8140 gives 1480 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9266 + ... + 10745.

It is an arithmetic number, because the mean of its divisors is an integer number (1330798).

Almost surely, 214808140 is an apocalyptic number.

14808140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14808140 is an abundant number, since it is smaller than the sum of its proper divisors (17131012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14808140 is a wasteful number, since it uses less digits than its factorization.

14808140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20057 (or 20055 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 14808140 is about 3848.1346130301. The cubic root of 14808140 is about 245.5652090264.

Adding to 14808140 its reverse (4180841), we get a palindrome (18988981).

The spelling of 14808140 in words is "fourteen million, eight hundred eight thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 740 20011 40022 80044 100055 200110 400220 740407 1480814 2961628 3702035 7404070 14808140