Search a number
-
+
307553992 = 23193199193
BaseRepresentation
bin10010010101001…
…110011011001000
3210102201100202121
4102111032123020
51112213211432
650303541024
710423110604
oct2225163310
9712640677
10307553992
11148673959
1286bba774
134b944215
142cbbc504
151c002197
hex1254e6c8

307553992 has 16 divisors (see below), whose sum is σ = 579654540. Its totient is φ = 152979456.

The previous prime is 307553977. The next prime is 307553993. The reversal of 307553992 is 299355703.

307553992 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 235745316 + 71808676 = 15354^2 + 8474^2 .

It is not an unprimeable number, because it can be changed into a prime (307553993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98053 + ... + 101140.

Almost surely, 2307553992 is an apocalyptic number.

It is an amenable number.

307553992 is a deficient number, since it is larger than the sum of its proper divisors (272100548).

307553992 is a wasteful number, since it uses less digits than its factorization.

307553992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199392 (or 199388 counting only the distinct ones).

The product of its (nonzero) digits is 255150, while the sum is 43.

The square root of 307553992 is about 17537.2173391334. The cubic root of 307553992 is about 675.0052067271.

The spelling of 307553992 in words is "three hundred seven million, five hundred fifty-three thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 193 386 772 1544 199193 398386 796772 1593544 38444249 76888498 153776996 307553992