Search a number
-
+
2285657430 = 2357223671009
BaseRepresentation
bin1000100000111100…
…0101110101010110
312220021212102112220
42020033011311112
514140112014210
61014445323210
7110432524200
oct21017056526
95807772486
102285657430
11a73215291
12539566506
132a56c2b24
141797b7770
15d59dbc70
hex883c5d56

2285657430 has 192 divisors, whose sum is σ = 6764705280. Its totient is φ = 491774976.

The previous prime is 2285657393. The next prime is 2285657449. The reversal of 2285657430 is 347565822.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2264766 + ... + 2265774.

It is an arithmetic number, because the mean of its divisors is an integer number (35232840).

Almost surely, 22285657430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2285657430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3382352640).

2285657430 is an abundant number, since it is smaller than the sum of its proper divisors (4479047850).

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

2285657430 is a wasteful number, since it uses less digits than its factorization.

2285657430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123 (or 1116 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 42.

The square root of 2285657430 is about 47808.5497583853. The cubic root of 2285657430 is about 1317.2565898574.

The spelling of 2285657430 in words is "two billion, two hundred eighty-five million, six hundred fifty-seven thousand, four hundred thirty".