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300477421 = 436987847
BaseRepresentation
bin10001111010001…
…110101111101101
3202221101211112101
4101322032233231
51103410234141
645452135101
710306005316
oct2172165755
9687354471
10300477421
11144680152
1284767491
134a3371ba
142bc9960d
151b5a5531
hex11e8ebed

300477421 has 4 divisors (see below), whose sum is σ = 307465312. Its totient is φ = 293489532.

The previous prime is 300477413. The next prime is 300477469. The reversal of 300477421 is 124774003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 124774003 = 432901721.

It is a cyclic number.

It is not a de Polignac number, because 300477421 - 23 = 300477413 is a prime.

It is a super-2 number, since 2×3004774212 = 180573361061622482, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 300477421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300477491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3493881 + ... + 3493966.

It is an arithmetic number, because the mean of its divisors is an integer number (76866328).

Almost surely, 2300477421 is an apocalyptic number.

It is an amenable number.

300477421 is a deficient number, since it is larger than the sum of its proper divisors (6987891).

300477421 is an equidigital number, since it uses as much as digits as its factorization.

300477421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6987890.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 300477421 is about 17334.2845540276. The cubic root of 300477421 is about 669.7878744821.

The spelling of 300477421 in words is "three hundred million, four hundred seventy-seven thousand, four hundred twenty-one".

Divisors: 1 43 6987847 300477421