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2430400321 = 23928335933
BaseRepresentation
bin1001000011011100…
…1111011101000001
320021101020010110201
42100313033131001
514434140302241
61041055525201
7114141030136
oct22067173501
96241203421
102430400321
111037996808
12579b29801
132c96a0bcb
14190ad458d
15e357d931
hex90dcf741

2430400321 has 8 divisors (see below), whose sum is σ = 2449261440. Its totient is φ = 2411612112.

The previous prime is 2430400307. The next prime is 2430400327. The reversal of 2430400321 is 1230040342.

2430400321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2430400321 - 25 = 2430400289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2430400327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49671 + ... + 85603.

It is an arithmetic number, because the mean of its divisors is an integer number (306157680).

Almost surely, 22430400321 is an apocalyptic number.

It is an amenable number.

2430400321 is a deficient number, since it is larger than the sum of its proper divisors (18861119).

2430400321 is a wasteful number, since it uses less digits than its factorization.

2430400321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36455.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2430400321 is about 49299.0904682835. The cubic root of 2430400321 is about 1344.4952470916.

Adding to 2430400321 its reverse (1230040342), we get a palindrome (3660440663).

The spelling of 2430400321 in words is "two billion, four hundred thirty million, four hundred thousand, three hundred twenty-one".

Divisors: 1 239 283 35933 67637 8587987 10169039 2430400321