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307386 = 23217077
BaseRepresentation
bin1001011000010111010
3120121122200
41023002322
534314021
610331030
72420112
oct1130272
9517580
10307386
1119aa42
12129a76
13a9bb1
1480042
1561126
hex4b0ba

307386 has 12 divisors (see below), whose sum is σ = 666042. Its totient is φ = 102456.

The previous prime is 307381. The next prime is 307397. The reversal of 307386 is 683703.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 269361 + 38025 = 519^2 + 195^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (307381) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8521 + ... + 8556.

2307386 is an apocalyptic number.

307386 is an abundant number, since it is smaller than the sum of its proper divisors (358656).

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

307386 is a wasteful number, since it uses less digits than its factorization.

307386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17085 (or 17082 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 307386 is about 554.4240254534. The cubic root of 307386 is about 67.4882283999.

The spelling of 307386 in words is "three hundred seven thousand, three hundred eighty-six".

Divisors: 1 2 3 6 9 18 17077 34154 51231 102462 153693 307386