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6980454 = 23213231297
BaseRepresentation
bin11010101000001101100110
3111010122101100
4122220031212
53241333304
6405340530
7113222115
oct32501546
914118340
106980454
113a38578
122407746
1315a5360
14cd9c7c
1592d439
hex6a8366

6980454 has 48 divisors (see below), whose sum is σ = 17008992. Its totient is φ = 2052864.

The previous prime is 6980453. The next prime is 6980461. The reversal of 6980454 is 4540896.

It is a super-2 number, since 2×69804542 = 97453476092232, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6980453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4734 + ... + 6030.

It is an arithmetic number, because the mean of its divisors is an integer number (354354).

Almost surely, 26980454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6980454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8504496).

6980454 is an abundant number, since it is smaller than the sum of its proper divisors (10028538).

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

6980454 is a wasteful number, since it uses less digits than its factorization.

6980454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341 (or 1338 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 6980454 is about 2642.0548820946. The cubic root of 6980454 is about 191.1149039519.

The spelling of 6980454 in words is "six million, nine hundred eighty thousand, four hundred fifty-four".

Divisors: 1 2 3 6 9 13 18 23 26 39 46 69 78 117 138 207 234 299 414 598 897 1297 1794 2594 2691 3891 5382 7782 11673 16861 23346 29831 33722 50583 59662 89493 101166 151749 178986 268479 303498 387803 536958 775606 1163409 2326818 3490227 6980454