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306920376 = 233271932051
BaseRepresentation
bin10010010010110…
…011101110111000
3210101112011121100
4102102303232320
51112032423001
650242211400
710414531410
oct2222635670
9711464540
10306920376
11148280904
1286953b60
134b7819b9
142ca95640
151be29586
hex124b3bb8

306920376 has 96 divisors (see below), whose sum is σ = 1000022400. Its totient is φ = 83073600.

The previous prime is 306920353. The next prime is 306920407. The reversal of 306920376 is 673029603.

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

It is a self number, because there is not a number n which added to its sum of digits gives 306920376.

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, 6450 + ... + 25601.

It is an arithmetic number, because the mean of its divisors is an integer number (10416900).

Almost surely, 2306920376 is an apocalyptic number.

306920376 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

306920376 is an abundant number, since it is smaller than the sum of its proper divisors (693102024).

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

306920376 is a wasteful number, since it uses less digits than its factorization.

306920376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32089 (or 32082 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 36.

The square root of 306920376 is about 17519.1431297310. The cubic root of 306920376 is about 674.5413443859.

Adding to 306920376 its reverse (673029603), we get a palindrome (979949979).

The spelling of 306920376 in words is "three hundred six million, nine hundred twenty thousand, three hundred seventy-six".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 19 21 24 28 36 38 42 56 57 63 72 76 84 114 126 133 152 168 171 228 252 266 342 399 456 504 532 684 798 1064 1197 1368 1596 2394 3192 4788 9576 32051 64102 96153 128204 192306 224357 256408 288459 384612 448714 576918 608969 673071 769224 897428 1153836 1217938 1346142 1794856 1826907 2019213 2307672 2435876 2692284 3653814 4038426 4262783 4871752 5384568 5480721 7307628 8076852 8525566 10961442 12788349 14615256 16153704 17051132 21922884 25576698 34102264 38365047 43845768 51153396 76730094 102306792 153460188 306920376