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307077080 = 23567149769
BaseRepresentation
bin10010010011011…
…001111111011000
3210101211010120012
4102103121333120
51112102431310
650245421052
710416053312
oct2223317730
9711733505
10307077080
11148378612
1286a0a788
134b80811b
142cad67b2
151be5ac05
hex124d9fd8

307077080 has 64 divisors (see below), whose sum is σ = 706860000. Its totient is φ = 120029184.

The previous prime is 307077079. The next prime is 307077109. The reversal of 307077080 is 80770703.

It is a super-2 number, since 2×3070770802 = 188592666122652800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398936 + ... + 399704.

Almost surely, 2307077080 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 307077080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353430000).

307077080 is an abundant number, since it is smaller than the sum of its proper divisors (399782920).

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

307077080 is a wasteful number, since it uses less digits than its factorization.

307077080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996 (or 992 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 307077080 is about 17523.6149238677. The cubic root of 307077080 is about 674.6561247986.

The spelling of 307077080 in words is "three hundred seven million, seventy-seven thousand, eighty".

Divisors: 1 2 4 5 8 10 20 40 67 134 149 268 298 335 536 596 670 745 769 1192 1340 1490 1538 2680 2980 3076 3845 5960 6152 7690 9983 15380 19966 30760 39932 49915 51523 79864 99830 103046 114581 199660 206092 229162 257615 399320 412184 458324 515230 572905 916648 1030460 1145810 2060920 2291620 4583240 7676927 15353854 30707708 38384635 61415416 76769270 153538540 307077080