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254428416 = 28321110039
BaseRepresentation
bin11110010101001…
…00010100000000
3122201202022011200
433022210110000
51010113202131
641125141200
76206414544
oct1712442400
9581668150
10254428416
11120688920
127125a800
1340933278
1425b0da24
151750b2e6
hexf2a4500

254428416 has 108 divisors (see below), whose sum is σ = 800348640. Its totient is φ = 77091840.

The previous prime is 254428379. The next prime is 254428523. The reversal of 254428416 is 614824452.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20325 + ... + 30363.

Almost surely, 2254428416 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 254428416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (400174320).

254428416 is an abundant number, since it is smaller than the sum of its proper divisors (545920224).

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

254428416 is a wasteful number, since it uses less digits than its factorization.

254428416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10072 (or 10055 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 254428416 is about 15950.8123931040. The cubic root of 254428416 is about 633.6584121232.

The spelling of 254428416 in words is "two hundred fifty-four million, four hundred twenty-eight thousand, four hundred sixteen".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 64 66 72 88 96 99 128 132 144 176 192 198 256 264 288 352 384 396 528 576 704 768 792 1056 1152 1408 1584 2112 2304 2816 3168 4224 6336 8448 10039 12672 20078 25344 30117 40156 60234 80312 90351 110429 120468 160624 180702 220858 240936 321248 331287 361404 441716 481872 642496 662574 722808 883432 963744 993861 1284992 1325148 1445616 1766864 1927488 1987722 2569984 2650296 2891232 3533728 3854976 3975444 5300592 5782464 7067456 7709952 7950888 10601184 11564928 14134912 15901776 21202368 23129856 28269824 31803552 42404736 63607104 84809472 127214208 254428416