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1913412 = 223317503
BaseRepresentation
bin111010011001001000100
310121012201010
413103021010
5442212122
6105002220
722156314
oct7231104
93535633
101913412
111097636
12783370
1351cbc7
1437b444
1527be0c
hex1d3244

1913412 has 24 divisors (see below), whose sum is σ = 4487616. Its totient is φ = 634528.

The previous prime is 1913407. The next prime is 1913419. The reversal of 1913412 is 2143191.

It is a super-2 number, since 2×19134122 = 7322290963488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1913419) 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, 3553 + ... + 4055.

It is an arithmetic number, because the mean of its divisors is an integer number (186984).

21913412 is an apocalyptic number.

1913412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1913412 is an abundant number, since it is smaller than the sum of its proper divisors (2574204).

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

1913412 is a wasteful number, since it uses less digits than its factorization.

1913412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827 (or 825 counting only the distinct ones).

The product of its digits is 216, while the sum is 21.

The square root of 1913412 is about 1383.2613635897. The cubic root of 1913412 is about 124.1469814496.

It can be divided in two parts, 19 and 13412, that added together give a palindrome (13431).

The spelling of 1913412 in words is "one million, nine hundred thirteen thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 317 503 634 951 1006 1268 1509 1902 2012 3018 3804 6036 159451 318902 478353 637804 956706 1913412