Search a number
-
+
306468736 = 2772131373
BaseRepresentation
bin10010010001000…
…101011110000000
3210100200020001221
4102101011132000
51111423444421
650224404424
710410640600
oct2221053600
9710606057
10306468736
11147aa2552
1286776714
134b654262
142c9b8c00
151bd8a841
hex12445780

306468736 has 96 divisors (see below), whose sum is σ = 717563880. Its totient is φ = 129991680.

The previous prime is 306468733. The next prime is 306468749. The reversal of 306468736 is 637864603.

It is a super-4 number, since 4×3064687364 (a number of 35 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 306468692 and 306468701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306468733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 821446 + ... + 821818.

Almost surely, 2306468736 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 306468736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358781940).

306468736 is an abundant number, since it is smaller than the sum of its proper divisors (411095144).

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

306468736 is a wasteful number, since it uses less digits than its factorization.

306468736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532 (or 513 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 43.

The square root of 306468736 is about 17506.2484844698. The cubic root of 306468736 is about 674.2103145468.

The spelling of 306468736 in words is "three hundred six million, four hundred sixty-eight thousand, seven hundred thirty-six".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 64 98 112 128 131 196 224 262 373 392 448 524 746 784 896 917 1048 1492 1568 1834 2096 2611 2984 3136 3668 4192 5222 5968 6272 6419 7336 8384 10444 11936 12838 14672 16768 18277 20888 23872 25676 29344 36554 41776 47744 48863 51352 58688 73108 83552 97726 102704 117376 146216 167104 195452 205408 292432 334208 342041 390904 410816 584864 684082 781808 821632 1169728 1368164 1563616 2339456 2394287 2736328 3127232 4788574 5472656 6254464 9577148 10945312 19154296 21890624 38308592 43781248 76617184 153234368 306468736