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1302140 = 225771131
BaseRepresentation
bin100111101111001111100
32110011012102
410331321330
5313132030
643524232
714032220
oct4757174
92404172
101302140
1180a354
12529678
133678c8
1425c780
151aac45
hex13de7c

1302140 has 48 divisors (see below), whose sum is σ = 3193344. Its totient is φ = 436800.

The previous prime is 1302137. The next prime is 1302151. The reversal of 1302140 is 412031.

It is a happy number.

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, 9875 + ... + 10005.

It is an arithmetic number, because the mean of its divisors is an integer number (66528).

21302140 is an apocalyptic number.

1302140 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 1302140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1596672).

1302140 is an abundant number, since it is smaller than the sum of its proper divisors (1891204).

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

1302140 is a wasteful number, since it uses less digits than its factorization.

1302140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1302140 is about 1141.1134912882. The cubic root of 1302140 is about 109.1991421616.

Adding to 1302140 its reverse (412031), we get a palindrome (1714171).

The spelling of 1302140 in words is "one million, three hundred two thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 71 131 140 142 262 284 355 497 524 655 710 917 994 1310 1420 1834 1988 2485 2620 3668 4585 4970 9170 9301 9940 18340 18602 37204 46505 65107 93010 130214 186020 260428 325535 651070 1302140