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2445323020 = 225756930697
BaseRepresentation
bin1001000111000000…
…1010101100001100
320022102022021120021
42101300022230030
520002000314040
61042351431524
7114411621430
oct22160125414
96272267507
102445323020
111045359418
12582b255a4
132cc7c72ca
14192a9a9c0
15e4a2a24a
hex91c0ab0c

2445323020 has 48 divisors (see below), whose sum is σ = 5879280960. Its totient is φ = 836895744.

The previous prime is 2445323017. The next prime is 2445323021. The reversal of 2445323020 is 203235442.

It is not an unprimeable number, because it can be changed into a prime (2445323021) 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, 64312 + ... + 95008.

It is an arithmetic number, because the mean of its divisors is an integer number (122485020).

Almost surely, 22445323020 is an apocalyptic number.

2445323020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2445323020 is an abundant number, since it is smaller than the sum of its proper divisors (3433957940).

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

2445323020 is a wasteful number, since it uses less digits than its factorization.

2445323020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31282 (or 31280 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 2445323020 is about 49450.2074818701. The cubic root of 2445323020 is about 1347.2413754835.

Adding to 2445323020 its reverse (203235442), we get a palindrome (2648558462).

The spelling of 2445323020 in words is "two billion, four hundred forty-five million, three hundred twenty-three thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 569 1138 2276 2845 3983 5690 7966 11380 15932 19915 30697 39830 61394 79660 122788 153485 214879 306970 429758 613940 859516 1074395 2148790 4297580 17466593 34933186 69866372 87332965 122266151 174665930 244532302 349331860 489064604 611330755 1222661510 2445323020