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2005374 = 237219359
BaseRepresentation
bin111101001100101111110
310202212212010
413221211332
51003132444
6110552050
723021400
oct7514576
93685763
102005374
11114a738
12808626
13552a17
143a2b70
152992b9
hex1e997e

2005374 has 48 divisors (see below), whose sum is σ = 4924800. Its totient is φ = 541296.

The previous prime is 2005373. The next prime is 2005387. The reversal of 2005374 is 4735002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 2005374.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005373) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5407 + ... + 5765.

It is an arithmetic number, because the mean of its divisors is an integer number (102600).

22005374 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2005374, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2462400).

2005374 is an abundant number, since it is smaller than the sum of its proper divisors (2919426).

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

2005374 is a wasteful number, since it uses less digits than its factorization.

2005374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 2005374 is about 1416.1122836837. The cubic root of 2005374 is about 126.1048509956.

The spelling of 2005374 in words is "two million, five thousand, three hundred seventy-four".

Divisors: 1 2 3 6 7 14 19 21 38 42 49 57 98 114 133 147 266 294 359 399 718 798 931 1077 1862 2154 2513 2793 5026 5586 6821 7539 13642 15078 17591 20463 35182 40926 47747 52773 95494 105546 143241 286482 334229 668458 1002687 2005374