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674946 = 23329431
BaseRepresentation
bin10100100110010000010
31021021212000
42210302002
5133044241
622244430
75510526
oct2446202
91237760
10674946
11421108
12286716
131a829c
14137d86
15d4eb6
hexa4c82

674946 has 32 divisors (see below), whose sum is σ = 1555200. Its totient is φ = 216720.

The previous prime is 674941. The next prime is 674953. The reversal of 674946 is 649476.

It is a self number, because there is not a number n which added to its sum of digits gives 674946.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674941) by changing a digit.

674946 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1351 + ... + 1781.

It is an arithmetic number, because the mean of its divisors is an integer number (48600).

2674946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (777600).

674946 is an abundant number, since it is smaller than the sum of its proper divisors (880254).

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

674946 is a wasteful number, since it uses less digits than its factorization.

674946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471 (or 465 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 674946 is about 821.5509722470. The cubic root of 674946 is about 87.7181928698.

The spelling of 674946 in words is "six hundred seventy-four thousand, nine hundred forty-six".

Divisors: 1 2 3 6 9 18 27 29 54 58 87 174 261 431 522 783 862 1293 1566 2586 3879 7758 11637 12499 23274 24998 37497 74994 112491 224982 337473 674946