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1481145 = 35195197
BaseRepresentation
bin101101001100110111001
32210020202020
411221212321
5334344040
651425053
715406131
oct5514671
92706666
101481145
11921896
125b5189
133cb223
142a7ac1
151e3cd0
hex1699b9

1481145 has 16 divisors (see below), whose sum is σ = 2495040. Its totient is φ = 748224.

The previous prime is 1481143. The next prime is 1481153. The reversal of 1481145 is 5411841.

It is not a de Polignac number, because 1481145 - 21 = 1481143 is a prime.

It is a super-2 number, since 2×14811452 = 4387581022050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1481143) 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, 2314 + ... + 2883.

It is an arithmetic number, because the mean of its divisors is an integer number (155940).

21481145 is an apocalyptic number.

1481145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1481145 is a deficient number, since it is larger than the sum of its proper divisors (1013895).

1481145 is a wasteful number, since it uses less digits than its factorization.

1481145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5224.

The product of its digits is 640, while the sum is 24.

The square root of 1481145 is about 1217.0230071778. The cubic root of 1481145 is about 113.9897651630.

Adding to 1481145 its reverse (5411841), we get a palindrome (6892986).

The spelling of 1481145 in words is "one million, four hundred eighty-one thousand, one hundred forty-five".

Divisors: 1 3 5 15 19 57 95 285 5197 15591 25985 77955 98743 296229 493715 1481145