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1481140 = 225103719
BaseRepresentation
bin101101001100110110100
32210020202001
411221212310
5334344030
651425044
715406123
oct5514664
92706661
101481140
11921891
125b5184
133cb21b
142a7aba
151e3cca
hex1699b4

1481140 has 24 divisors (see below), whose sum is σ = 3144960. Its totient is φ = 585888.

The previous prime is 1481113. The next prime is 1481143. The reversal of 1481140 is 411841.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1481143) 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, 1701 + ... + 2419.

It is an arithmetic number, because the mean of its divisors is an integer number (131040).

21481140 is an apocalyptic number.

1481140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1481140 is an abundant number, since it is smaller than the sum of its proper divisors (1663820).

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

1481140 is a wasteful number, since it uses less digits than its factorization.

1481140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831 (or 829 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 1481140 is about 1217.0209529831. The cubic root of 1481140 is about 113.9896368953.

Adding to 1481140 its reverse (411841), we get a palindrome (1892981).

The spelling of 1481140 in words is "one million, four hundred eighty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 103 206 412 515 719 1030 1438 2060 2876 3595 7190 14380 74057 148114 296228 370285 740570 1481140