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425343040 = 2651329197
BaseRepresentation
bin11001010110100…
…011100001000000
31002122100122221221
4121112203201000
51332341434130
6110112324424
713353233113
oct3126434100
91078318857
10425343040
111a9105581
12ba543714
136a175995
14406c057a
152751c87a
hex195a3840

425343040 has 28 divisors (see below), whose sum is σ = 1012848876. Its totient is φ = 170137088.

The previous prime is 425343019. The next prime is 425343049. The reversal of 425343040 is 40343524.

It can be written as a sum of positive squares in 2 ways, for example, as 97298496 + 328044544 = 9864^2 + 18112^2 .

It is a junction number, because it is equal to n+sod(n) for n = 425342996 and 425343014.

It is not an unprimeable number, because it can be changed into a prime (425343049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 664279 + ... + 664918.

Almost surely, 2425343040 is an apocalyptic number.

425343040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425343040 is an abundant number, since it is smaller than the sum of its proper divisors (587505836).

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

425343040 is a wasteful number, since it uses less digits than its factorization.

425343040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329214 (or 1329204 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 425343040 is about 20623.8463919803. The cubic root of 425343040 is about 752.0495289545.

Adding to 425343040 its reverse (40343524), we get a palindrome (465686564).

The spelling of 425343040 in words is "four hundred twenty-five million, three hundred forty-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 1329197 2658394 5316788 6645985 10633576 13291970 21267152 26583940 42534304 53167880 85068608 106335760 212671520 425343040