Search a number
-
+
8725849494 = 232462359063
BaseRepresentation
bin10000010000001100…
…11110010110010110
3211112010020002012220
420020012132112112
5120332304140434
64001505123210
7426143332305
oct101006362626
924463202186
108725849494
11377857296a
121836329506
13a90a3326b
145cac5043c
153610c6d49
hex20819e596

8725849494 has 16 divisors (see below), whose sum is σ = 17452703232. Its totient is φ = 2908449128.

The previous prime is 8725849459. The next prime is 8725849499. The reversal of 8725849494 is 4949485278.

It is a super-2 number, since 2×87258494942 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8725849499) 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, 118207 + ... + 177269.

It is an arithmetic number, because the mean of its divisors is an integer number (1090793952).

Almost surely, 28725849494 is an apocalyptic number.

8725849494 is an abundant number, since it is smaller than the sum of its proper divisors (8726853738).

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

8725849494 is a wasteful number, since it uses less digits than its factorization.

8725849494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83691.

The product of its digits is 23224320, while the sum is 60.

The square root of 8725849494 is about 93412.2555877975. The cubic root of 8725849494 is about 2058.7450720646.

The spelling of 8725849494 in words is "eight billion, seven hundred twenty-five million, eight hundred forty-nine thousand, four hundred ninety-four".

Divisors: 1 2 3 6 24623 49246 59063 73869 118126 147738 177189 354378 1454308249 2908616498 4362924747 8725849494