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BaseRepresentation
bin100101000100111011100
32021201120210
410220213130
5302334230
642012420
713220046
oct4504734
92251523
101214940
1175a891
124a7110
13336ccc
14238a96
1518eeb0
hex1289dc

1214940 has 24 divisors (see below), whose sum is σ = 3402000. Its totient is φ = 323968.

The previous prime is 1214933. The next prime is 1214947. The reversal of 1214940 is 494121.

It is an interprime number because it is at equal distance from previous prime (1214933) and next prime (1214947).

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 (1214947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10065 + ... + 10184.

It is an arithmetic number, because the mean of its divisors is an integer number (141750).

21214940 is an apocalyptic number.

1214940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1214940 is an abundant number, since it is smaller than the sum of its proper divisors (2187060).

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

1214940 is a wasteful number, since it uses less digits than its factorization.

1214940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20261 (or 20259 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1214940 is about 1102.2431673637. The cubic root of 1214940 is about 106.7050426153.

The spelling of 1214940 in words is "one million, two hundred fourteen thousand, nine hundred forty".