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3420230440 = 235117773251
BaseRepresentation
bin1100101111011100…
…1001001100101000
322211100202201010111
43023313021030220
524001034333230
61323215224104
7150520323214
oct31367111450
98740681114
103420230440
1114a56a3830
127b5518034
1342678a0c3
14246355944
1515040192a
hexcbdc9328

3420230440 has 32 divisors (see below), whose sum is σ = 8395112160. Its totient is φ = 1243720000.

The previous prime is 3420230431. The next prime is 3420230447. The reversal of 3420230440 is 440320243.

3420230440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (3420230447) 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, 3886186 + ... + 3887065.

It is an arithmetic number, because the mean of its divisors is an integer number (262347255).

Almost surely, 23420230440 is an apocalyptic number.

It is an amenable number.

3420230440 is an abundant number, since it is smaller than the sum of its proper divisors (4974881720).

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

3420230440 is a wasteful number, since it uses less digits than its factorization.

3420230440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7773273 (or 7773269 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 3420230440 is about 58482.7362560953. The cubic root of 3420230440 is about 1506.6710929552.

Adding to 3420230440 its reverse (440320243), we get a palindrome (3860550683).

The spelling of 3420230440 in words is "three billion, four hundred twenty million, two hundred thirty thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 7773251 15546502 31093004 38866255 62186008 77732510 85505761 155465020 171011522 310930040 342023044 427528805 684046088 855057610 1710115220 3420230440