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301433421 = 3100477807
BaseRepresentation
bin10001111101111…
…000001001001101
3210000012101220210
4101331320021031
51104131332141
645524433033
710320066432
oct2175701115
9700171823
10301433421
11145173433
1284b48779
134a5b0393
142c067b89
151b6e3916
hex11f7824d

301433421 has 4 divisors (see below), whose sum is σ = 401911232. Its totient is φ = 200955612.

The previous prime is 301433399. The next prime is 301433437. The reversal of 301433421 is 124334103.

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: 124334103 = 341444701.

It is not a de Polignac number, because 301433421 - 221 = 299336269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (301433471) 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, 50238901 + ... + 50238906.

It is an arithmetic number, because the mean of its divisors is an integer number (100477808).

Almost surely, 2301433421 is an apocalyptic number.

It is an amenable number.

301433421 is a deficient number, since it is larger than the sum of its proper divisors (100477811).

301433421 is a wasteful number, since it uses less digits than its factorization.

301433421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100477810.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 301433421 is about 17361.8380651358. The cubic root of 301433421 is about 670.4974556160.

Adding to 301433421 its reverse (124334103), we get a palindrome (425767524).

The spelling of 301433421 in words is "three hundred one million, four hundred thirty-three thousand, four hundred twenty-one".

Divisors: 1 3 100477807 301433421