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2933413921 = 41213212
BaseRepresentation
bin1010111011011000…
…0101100000100001
321120102201212102001
42232312011200201
522001423221141
61203025124001
7132456415114
oct25666054041
97512655361
102933413921
111275921329
1269a489601
1337996c8a9
141db83257b
151227dea31
hexaed85821

2933413921 has 9 divisors (see below), whose sum is σ = 3008983449. Its totient is φ = 2859700800.

The previous prime is 2933413891. The next prime is 2933413939. The reversal of 2933413921 is 1293143392.

The square root of 2933413921 is 54161.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 8767521 + 2924646400 = 2961^2 + 54080^2 .

It is not a de Polignac number, because 2933413921 - 213 = 2933405729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2933413981) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2219941 + ... + 2221261.

Almost surely, 22933413921 is an apocalyptic number.

2933413921 is the 54161-st square number.

2933413921 is the 27081-st centered octagonal number.

It is an amenable number.

2933413921 is a deficient number, since it is larger than the sum of its proper divisors (75569528).

2933413921 is an frugal number, since it uses more digits than its factorization.

2933413921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2724 (or 1362 counting only the distinct ones).

The product of its digits is 34992, while the sum is 37.

The cubic root of 2933413921 is about 1431.4992216644.

The spelling of 2933413921 in words is "two billion, nine hundred thirty-three million, four hundred thirteen thousand, nine hundred twenty-one".

Divisors: 1 41 1321 1681 54161 1745041 2220601 71546681 2933413921