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689098941 = 3325522183
BaseRepresentation
bin101001000100101…
…101000010111101
31210000122212001000
4221010231002331
52402402131231
6152213440513
723035146546
oct5104550275
91700585030
10689098941
11323a84263
12172940139
13ac9c366b
146773b4cd
154076c6e6
hex2912d0bd

689098941 has 8 divisors (see below), whose sum is σ = 1020887360. Its totient is φ = 459399276.

The previous prime is 689098889. The next prime is 689098967. The reversal of 689098941 is 149890986.

It is not a de Polignac number, because 689098941 - 26 = 689098877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689098141) 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, 12761065 + ... + 12761118.

It is an arithmetic number, because the mean of its divisors is an integer number (127610920).

Almost surely, 2689098941 is an apocalyptic number.

It is an amenable number.

689098941 is a deficient number, since it is larger than the sum of its proper divisors (331788419).

689098941 is a wasteful number, since it uses less digits than its factorization.

689098941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25522192 (or 25522186 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The square root of 689098941 is about 26250.6941051089. The cubic root of 689098941 is about 883.2707745261.

The spelling of 689098941 in words is "six hundred eighty-nine million, ninety-eight thousand, nine hundred forty-one".

Divisors: 1 3 9 27 25522183 76566549 229699647 689098941