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308076252 = 223114354277
BaseRepresentation
bin10010010111001…
…101111011011100
3210110200220011120
4102113031323130
51112331420002
650323050540
710430414331
oct2227157334
9713626146
10308076252
111489a0280
1287210a50
134ba97b53
142ccb6988
151c0a6cbc
hex125cdedc

308076252 has 48 divisors (see below), whose sum is σ = 802445952. Its totient is φ = 91183680.

The previous prime is 308076239. The next prime is 308076253. The reversal of 308076252 is 252670803.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308076253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21463 + ... + 32814.

It is an arithmetic number, because the mean of its divisors is an integer number (16717624).

Almost surely, 2308076252 is an apocalyptic number.

It is an amenable number.

308076252 is an abundant number, since it is smaller than the sum of its proper divisors (494369700).

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

308076252 is a wasteful number, since it uses less digits than its factorization.

308076252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54338 (or 54336 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 308076252 is about 17552.1010708120. The cubic root of 308076252 is about 675.3870679859.

The spelling of 308076252 in words is "three hundred eight million, seventy-six thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 11 12 22 33 43 44 66 86 129 132 172 258 473 516 946 1419 1892 2838 5676 54277 108554 162831 217108 325662 597047 651324 1194094 1791141 2333911 2388188 3582282 4667822 7001733 7164564 9335644 14003466 25673021 28006932 51346042 77019063 102692084 154038126 308076252