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4814244640 = 25537813217
BaseRepresentation
bin1000111101111001…
…11000101100100000
3110102111211222010001
410132330320230200
534324421312030
62113413545344
7230205255442
oct43674705440
913374758101
104814244640
112050574287
12b24345254
135b952118a
1433954a492
151d29b2cca
hex11ef38b20

4814244640 has 48 divisors (see below), whose sum is σ = 11681063352. Its totient is φ = 1873649664.

The previous prime is 4814244619. The next prime is 4814244647. The reversal of 4814244640 is 464424184.

It can be written as a sum of positive squares in 4 ways, for example, as 4647421584 + 166823056 = 68172^2 + 12916^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 4814244640.

It is not an unprimeable number, because it can be changed into a prime (4814244647) 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, 400689 + ... + 412528.

Almost surely, 24814244640 is an apocalyptic number.

4814244640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4814244640 is an abundant number, since it is smaller than the sum of its proper divisors (6866818712).

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

4814244640 is a wasteful number, since it uses less digits than its factorization.

4814244640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813269 (or 813261 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 37.

The square root of 4814244640 is about 69384.7579804095. The cubic root of 4814244640 is about 1688.5323485847.

The spelling of 4814244640 in words is "four billion, eight hundred fourteen million, two hundred forty-four thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 37 40 74 80 148 160 185 296 370 592 740 1184 1480 2960 5920 813217 1626434 3252868 4066085 6505736 8132170 13011472 16264340 26022944 30089029 32528680 60178058 65057360 120356116 130114720 150445145 240712232 300890290 481424464 601780580 962848928 1203561160 2407122320 4814244640