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1214040 = 233567151
BaseRepresentation
bin100101000011001011000
32021200100110
410220121120
5302322130
642004320
713214322
oct4503130
92250313
101214040
1175a143
124a66a0
13336789
14238612
1518eab0
hex128658

1214040 has 64 divisors (see below), whose sum is σ = 3720960. Its totient is φ = 316800.

The previous prime is 1214039. The next prime is 1214047. The reversal of 1214040 is 404121.

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

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214047) 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, 7965 + ... + 8115.

It is an arithmetic number, because the mean of its divisors is an integer number (58140).

21214040 is an apocalyptic number.

1214040 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 1214040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1860480).

1214040 is an abundant number, since it is smaller than the sum of its proper divisors (2506920).

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

1214040 is a wasteful number, since it uses less digits than its factorization.

1214040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1214040 is about 1101.8348333575. The cubic root of 1214040 is about 106.6786878813.

Adding to 1214040 its reverse (404121), we get a palindrome (1618161).

The spelling of 1214040 in words is "one million, two hundred fourteen thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 67 120 134 151 201 268 302 335 402 453 536 604 670 755 804 906 1005 1208 1340 1510 1608 1812 2010 2265 2680 3020 3624 4020 4530 6040 8040 9060 10117 18120 20234 30351 40468 50585 60702 80936 101170 121404 151755 202340 242808 303510 404680 607020 1214040