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4220047725 = 352192961437
BaseRepresentation
bin1111101110001000…
…1101000101101101
3101220002202122011220
43323202031011231
532120313011400
61534430133553
7206401546065
oct37342150555
911802678156
104220047725
11187611a353
129993512b9
135233a7a7a
142c06743a5
1519a73e7a0
hexfb88d16d

4220047725 has 24 divisors (see below), whose sum is σ = 7344366240. Its totient is φ = 2132233920.

The previous prime is 4220047693. The next prime is 4220047807. The reversal of 4220047725 is 5277400224.

It is a happy number.

It is not a de Polignac number, because 4220047725 - 25 = 4220047693 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1479294 + ... + 1482143.

It is an arithmetic number, because the mean of its divisors is an integer number (306015260).

Almost surely, 24220047725 is an apocalyptic number.

It is an amenable number.

4220047725 is a deficient number, since it is larger than the sum of its proper divisors (3124318515).

4220047725 is a wasteful number, since it uses less digits than its factorization.

4220047725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2961469 (or 2961464 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 33.

The square root of 4220047725 is about 64961.8944074140. The cubic root of 4220047725 is about 1615.9916813538.

Adding to 4220047725 its reverse (5277400224), we get a palindrome (9497447949).

The spelling of 4220047725 in words is "four billion, two hundred twenty million, forty-seven thousand, seven hundred twenty-five".

Divisors: 1 3 5 15 19 25 57 75 95 285 475 1425 2961437 8884311 14807185 44421555 56267303 74035925 168801909 222107775 281336515 844009545 1406682575 4220047725