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609678080 = 28511194353
BaseRepresentation
bin100100010101101…
…111001100000000
31120111012212002122
4210111233030000
52222034144310
6140255303412
721052115054
oct4425571400
91514185078
10609678080
11293169190
1215021ab68
1399406a7b
145ad85c64
15387d0555
hex2456f300

609678080 has 288 divisors, whose sum is σ = 1748355840. Its totient is φ = 201277440.

The previous prime is 609678079. The next prime is 609678127. The reversal of 609678080 is 80876906.

609678080 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×6096780802 = 743414722464972800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11503334 + ... + 11503386.

It is an arithmetic number, because the mean of its divisors is an integer number (6070680).

Almost surely, 2609678080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 609678080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (874177920).

609678080 is an abundant number, since it is smaller than the sum of its proper divisors (1138677760).

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

609678080 is a wasteful number, since it uses less digits than its factorization.

609678080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 609678080 is about 24691.6601304975. The cubic root of 609678080 is about 847.9433924477.

The spelling of 609678080 in words is "six hundred nine million, six hundred seventy-eight thousand, eighty".