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30403421224 = 2311231408493
BaseRepresentation
bin11100010100001011…
…110110010000101000
32220110212101211020221
4130110023312100220
5444231233434344
621544522455424
72124265550011
oct342413662050
986425354227
1030403421224
1111991a36400
125a86064574
132b36b33997
141685c60008
15bce266184
hex7142f6428

30403421224 has 24 divisors (see below), whose sum is σ = 62659945530. Its totient is φ = 13819736480.

The previous prime is 30403421177. The next prime is 30403421227. The reversal of 30403421224 is 42212430403.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 15863402500 + 14540018724 = 125950^2 + 120582^2 .

It is not an unprimeable number, because it can be changed into a prime (30403421227) 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, 15703279 + ... + 15705214.

Almost surely, 230403421224 is an apocalyptic number.

It is an amenable number.

30403421224 is an abundant number, since it is smaller than the sum of its proper divisors (32256524306).

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

30403421224 is a wasteful number, since it uses less digits than its factorization.

30403421224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31408521 (or 31408506 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 30403421224 its reverse (42212430403), we get a palindrome (72615851627).

The spelling of 30403421224 in words is "thirty billion, four hundred three million, four hundred twenty-one thousand, two hundred twenty-four".

Divisors: 1 2 4 8 11 22 44 88 121 242 484 968 31408493 62816986 125633972 251267944 345493423 690986846 1381973692 2763947384 3800427653 7600855306 15201710612 30403421224