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65425430 = 2577911831
BaseRepresentation
bin1111100110010…
…1000000010110
311120002221211002
43321211000112
5113222103210
610254143302
71423051460
oct371450026
9146087732
1065425430
1133a27104
1219ab1b32
1310729595
148991130
155b254a5
hex3e65016

65425430 has 32 divisors (see below), whose sum is σ = 136304640. Its totient is φ = 22145760.

The previous prime is 65425427. The next prime is 65425441. The reversal of 65425430 is 3452456.

It is a junction number, because it is equal to n+sod(n) for n = 65425393 and 65425402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386 + ... + 11445.

It is an arithmetic number, because the mean of its divisors is an integer number (4259520).

Almost surely, 265425430 is an apocalyptic number.

65425430 is an abundant number, since it is smaller than the sum of its proper divisors (70879210).

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

65425430 is a wasteful number, since it uses less digits than its factorization.

65425430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11924.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 65425430 is about 8088.5987661646. The cubic root of 65425430 is about 402.9478676558.

Adding to 65425430 its reverse (3452456), we get a palindrome (68877886).

The spelling of 65425430 in words is "sixty-five million, four hundred twenty-five thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 79 158 395 553 790 1106 2765 5530 11831 23662 59155 82817 118310 165634 414085 828170 934649 1869298 4673245 6542543 9346490 13085086 32712715 65425430