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425858580 = 223357113997
BaseRepresentation
bin11001011000100…
…001011000010100
31002200022212011000
4121120201120110
51333004433310
6110131343300
713360511130
oct3130413024
91080285130
10425858580
111a9427944
12ba751b30
136a2c6534
14407b63c0
15275c04c0
hex19621614

425858580 has 192 divisors, whose sum is σ = 1529095680. Its totient is φ = 96380928.

The previous prime is 425858579. The next prime is 425858581. The reversal of 425858580 is 85858524.

It is an interprime number because it is at equal distance from previous prime (425858579) and next prime (425858581).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425858581) 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 63 ways as a sum of consecutive naturals, for example, 426642 + ... + 427638.

It is an arithmetic number, because the mean of its divisors is an integer number (7964040).

Almost surely, 2425858580 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425858580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (764547840).

425858580 is an abundant number, since it is smaller than the sum of its proper divisors (1103237100).

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

425858580 is a wasteful number, since it uses less digits than its factorization.

425858580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135 (or 1127 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 45.

The square root of 425858580 is about 20636.3412454824. The cubic root of 425858580 is about 752.3532485723.

The spelling of 425858580 in words is "four hundred twenty-five million, eight hundred fifty-eight thousand, five hundred eighty".