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3030405474 = 23505067579
BaseRepresentation
bin1011010010100000…
…0101000101100010
321211012020112210210
42310220011011202
522201240433344
61220412034550
7135045010245
oct26450050542
97735215723
103030405474
111315648538
12706a62a56
13393a9bc45
1420a67d25c
1512b09cdb9
hexb4a05162

3030405474 has 8 divisors (see below), whose sum is σ = 6060810960. Its totient is φ = 1010135156.

The previous prime is 3030405473. The next prime is 3030405509. The reversal of 3030405474 is 4745040303.

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

3030405474 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (3030405473) 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, 252533784 + ... + 252533795.

It is an arithmetic number, because the mean of its divisors is an integer number (757601370).

Almost surely, 23030405474 is an apocalyptic number.

3030405474 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3030405474 is a wasteful number, since it uses less digits than its factorization.

3030405474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505067584.

The product of its (nonzero) digits is 20160, while the sum is 30.

The square root of 3030405474 is about 55049.1187395402. The cubic root of 3030405474 is about 1447.1056770253.

Adding to 3030405474 its reverse (4745040303), we get a palindrome (7775445777).

The spelling of 3030405474 in words is "three billion, thirty million, four hundred five thousand, four hundred seventy-four".

Divisors: 1 2 3 6 505067579 1010135158 1515202737 3030405474