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307801116 = 223271771849
BaseRepresentation
bin10010010110001…
…010110000011100
3210110011220202100
4102112022300130
51112244113431
650313125100
710425160230
oct2226126034
9713156670
10307801116
11148822597
12870b9790
134b9cc84c
142cc445c0
151c0504e6
hex1258ac1c

307801116 has 72 divisors (see below), whose sum is σ = 941522400. Its totient is φ = 82768896.

The previous prime is 307801097. The next prime is 307801127. The reversal of 307801116 is 611108703.

It is a self number, because there is not a number n which added to its sum of digits gives 307801116.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31641 + ... + 40208.

It is an arithmetic number, because the mean of its divisors is an integer number (13076700).

Almost surely, 2307801116 is an apocalyptic number.

307801116 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

307801116 is an abundant number, since it is smaller than the sum of its proper divisors (633721284).

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

307801116 is a wasteful number, since it uses less digits than its factorization.

307801116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71883 (or 71878 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 307801116 is about 17544.2616259562. The cubic root of 307801116 is about 675.1859504154.

Adding to 307801116 its reverse (611108703), we get a palindrome (918909819).

The spelling of 307801116 in words is "three hundred seven million, eight hundred one thousand, one hundred sixteen".

Divisors: 1 2 3 4 6 7 9 12 14 17 18 21 28 34 36 42 51 63 68 84 102 119 126 153 204 238 252 306 357 476 612 714 1071 1428 2142 4284 71849 143698 215547 287396 431094 502943 646641 862188 1005886 1221433 1293282 1508829 2011772 2442866 2586564 3017658 3664299 4526487 4885732 6035316 7328598 8550031 9052974 10992897 14657196 17100062 18105948 21985794 25650093 34200124 43971588 51300186 76950279 102600372 153900558 307801116