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1303140 = 223537587
BaseRepresentation
bin100111110001001100100
32110012120110
410332021210
5313200030
643533020
714035146
oct4761144
92405513
101303140
11810083
1252a170
133681b7
1425cc96
151ab1b0
hex13e264

1303140 has 48 divisors (see below), whose sum is σ = 3753792. Its totient is φ = 337536.

The previous prime is 1303139. The next prime is 1303151. The reversal of 1303140 is 413031.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1927 + ... + 2513.

It is an arithmetic number, because the mean of its divisors is an integer number (78204).

21303140 is an apocalyptic number.

1303140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1303140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1876896).

1303140 is an abundant number, since it is smaller than the sum of its proper divisors (2450652).

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

1303140 is a wasteful number, since it uses less digits than its factorization.

1303140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1303140 is about 1141.5515757074. The cubic root of 1303140 is about 109.2270887727.

Adding to 1303140 its reverse (413031), we get a palindrome (1716171).

The spelling of 1303140 in words is "one million, three hundred three thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 37 60 74 111 148 185 222 370 444 555 587 740 1110 1174 1761 2220 2348 2935 3522 5870 7044 8805 11740 17610 21719 35220 43438 65157 86876 108595 130314 217190 260628 325785 434380 651570 1303140