[go: up one dir, main page]

Search a number
-
+
47328660 = 22325262937
BaseRepresentation
bin1011010010001…
…0110110010100
310022001112201100
42310202312110
544104004120
64410230100
71113200301
oct264426624
9108045640
1047328660
11247967a5
1213a25330
139a61532
1464000a8
15424d490
hex2d22d94

47328660 has 36 divisors (see below), whose sum is σ = 143564148. Its totient is φ = 12620928.

The previous prime is 47328649. The next prime is 47328689. The reversal of 47328660 is 6682374.

It can be written as a sum of positive squares in 2 ways, for example, as 15586704 + 31741956 = 3948^2 + 5634^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131289 + ... + 131648.

It is an arithmetic number, because the mean of its divisors is an integer number (3987893).

Almost surely, 247328660 is an apocalyptic number.

It is an amenable number.

47328660 is an abundant number, since it is smaller than the sum of its proper divisors (96235488).

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

47328660 is a wasteful number, since it uses less digits than its factorization.

47328660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262952 (or 262947 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 47328660 is about 6879.5828361900. The cubic root of 47328660 is about 361.7218440547.

The spelling of 47328660 in words is "forty-seven million, three hundred twenty-eight thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 262937 525874 788811 1051748 1314685 1577622 2366433 2629370 3155244 3944055 4732866 5258740 7888110 9465732 11832165 15776220 23664330 47328660