Search a number
-
+
245225304520 = 23571237708007
BaseRepresentation
bin1110010001100010010…
…0010011000111001000
3212102222011200012020221
43210120210103013020
513004210134221040
6304353245155424
723500624460530
oct3443044230710
9772864605227
10245225304520
1194aaa322929
123b63955bb74
131a180b072b1
14bc2463c4c0
1565a3a6974a
hex39189131c8

245225304520 has 64 divisors (see below), whose sum is σ = 631090010880. Its totient is φ = 84009159936.

The previous prime is 245225304509. The next prime is 245225304529. The reversal of 245225304520 is 25403522542.

It is not an unprimeable number, because it can be changed into a prime (245225304529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7644 + ... + 700363.

It is an arithmetic number, because the mean of its divisors is an integer number (9860781420).

Almost surely, 2245225304520 is an apocalyptic number.

245225304520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245225304520 is an abundant number, since it is smaller than the sum of its proper divisors (385864706360).

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

245225304520 is a wasteful number, since it uses less digits than its factorization.

245225304520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709262 (or 709258 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 34.

The spelling of 245225304520 in words is "two hundred forty-five billion, two hundred twenty-five million, three hundred four thousand, five hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 1237 2474 4948 6185 8659 9896 12370 17318 24740 34636 43295 49480 69272 86590 173180 346360 708007 1416014 2832028 3540035 4956049 5664056 7080070 9912098 14160140 19824196 24780245 28320280 39648392 49560490 99120980 198241960 875804659 1751609318 3503218636 4379023295 6130632613 7006437272 8758046590 12261265226 17516093180 24522530452 30653163065 35032186360 49045060904 61306326130 122612652260 245225304520