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300023442 = 23219138713
BaseRepresentation
bin10001111000011…
…111111010010010
3202220112202210100
4101320133322102
51103301222232
645434313230
710302104625
oct2170377222
9686482710
10300023442
111443a0064
1284588816
134a208684
142bbbbdbc
151b515c7c
hex11e1fe92

300023442 has 24 divisors (see below), whose sum is σ = 650465244. Its totient is φ = 99944064.

The previous prime is 300023413. The next prime is 300023443. The reversal of 300023442 is 244320003.

It can be written as a sum of positive squares in 2 ways, for example, as 227074761 + 72948681 = 15069^2 + 8541^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (300023443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30078 + ... + 38790.

Almost surely, 2300023442 is an apocalyptic number.

300023442 is an abundant number, since it is smaller than the sum of its proper divisors (350441802).

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

300023442 is a wasteful number, since it uses less digits than its factorization.

300023442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10634 (or 10631 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 300023442 is about 17321.1847747202. The cubic root of 300023442 is about 669.4503861249.

Adding to 300023442 its reverse (244320003), we get a palindrome (544343445).

The spelling of 300023442 in words is "three hundred million, twenty-three thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 1913 3826 5739 8713 11478 17217 17426 26139 34434 52278 78417 156834 16667969 33335938 50003907 100007814 150011721 300023442