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4954445840 = 245292135537
BaseRepresentation
bin1001001110100111…
…01101100000010000
3110210021122221000002
410213103231200100
540121314231330
62135342545132
7233530044341
oct44723554020
913707587002
104954445840
112112723543
12b632981a8
1360c59bc76
143500040c8
151dee58e45
hex1274ed810

4954445840 has 40 divisors (see below), whose sum is σ = 11916302040. Its totient is φ = 1913440256.

The previous prime is 4954445773. The next prime is 4954445843. The reversal of 4954445840 is 485444594.

It can be written as a sum of positive squares in 4 ways, for example, as 1310150416 + 3644295424 = 36196^2 + 60368^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (4954445843) 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, 1065449 + ... + 1070088.

It is an arithmetic number, because the mean of its divisors is an integer number (297907551).

Almost surely, 24954445840 is an apocalyptic number.

4954445840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4954445840 is an abundant number, since it is smaller than the sum of its proper divisors (6961856200).

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

4954445840 is a wasteful number, since it uses less digits than its factorization.

4954445840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135579 (or 2135573 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 47.

The square root of 4954445840 is about 70387.8245153237. The cubic root of 4954445840 is about 1704.7669940128.

The spelling of 4954445840 in words is "four billion, nine hundred fifty-four million, four hundred forty-five thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 16 20 29 40 58 80 116 145 232 290 464 580 1160 2320 2135537 4271074 8542148 10677685 17084296 21355370 34168592 42710740 61930573 85421480 123861146 170842960 247722292 309652865 495444584 619305730 990889168 1238611460 2477222920 4954445840