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4400020460 = 2251120000093
BaseRepresentation
bin1000001100100001…
…01111101111101100
3102100122102012100202
410012100233233230
533002401123320
62004335413032
7214015361663
oct40620575754
912318365322
104400020460
111958773550
12a29684178
1355176c404
142da521dda
151ab43eb75
hex10642fbec

4400020460 has 24 divisors (see below), whose sum is σ = 10080047376. Its totient is φ = 1600007360.

The previous prime is 4400020381. The next prime is 4400020477. The reversal of 4400020460 is 640200044.

It is a super-2 number, since 2×44000204602 = 38720360096837223200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9999827 + ... + 10000266.

It is an arithmetic number, because the mean of its divisors is an integer number (420001974).

Almost surely, 24400020460 is an apocalyptic number.

It is an amenable number.

4400020460 is an abundant number, since it is smaller than the sum of its proper divisors (5680026916).

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

4400020460 is a wasteful number, since it uses less digits than its factorization.

4400020460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20000113 (or 20000111 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4400020460 is about 66332.6500299815. The cubic root of 4400020460 is about 1638.6450810933.

The spelling of 4400020460 in words is "four billion, four hundred million, twenty thousand, four hundred sixty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 20000093 40000186 80000372 100000465 200000930 220001023 400001860 440002046 880004092 1100005115 2200010230 4400020460