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1982070 = 23452447
BaseRepresentation
bin111100011111001110110
310201200220000
413203321312
51001411240
6110252130
722563426
oct7437166
93650800
101982070
111134182
127b7046
1354522c
14398486
15292430
hex1e3e76

1982070 has 40 divisors (see below), whose sum is σ = 5331744. Its totient is φ = 528336.

The previous prime is 1982069. The next prime is 1982077. The reversal of 1982070 is 702891.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1982077) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 414 + ... + 2033.

21982070 is an apocalyptic number.

1982070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1982070 is an abundant number, since it is smaller than the sum of its proper divisors (3349674).

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

1982070 is a wasteful number, since it uses less digits than its factorization.

1982070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2466 (or 2457 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 1982070 is about 1407.8600782748. The cubic root of 1982070 is about 125.6144678183.

The spelling of 1982070 in words is "one million, nine hundred eighty-two thousand, seventy".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 405 810 2447 4894 7341 12235 14682 22023 24470 36705 44046 66069 73410 110115 132138 198207 220230 330345 396414 660690 991035 1982070