Search a number
-
+
3673945380 = 223578747489
BaseRepresentation
bin1101101011111011…
…1111010100100100
3100111001011202121010
43122332333110210
530011012223010
61404321222220
7160021010010
oct33276772444
910431152533
103673945380
1116159345a6
12866491970
134672006a1
1426bd1b540
1516781b620
hexdafbf524

3673945380 has 48 divisors (see below), whose sum is σ = 11756626560. Its totient is φ = 839758848.

The previous prime is 3673945369. The next prime is 3673945381. The reversal of 3673945380 is 835493763.

It is not an unprimeable number, because it can be changed into a prime (3673945381) 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, 4373325 + ... + 4374164.

It is an arithmetic number, because the mean of its divisors is an integer number (244929720).

Almost surely, 23673945380 is an apocalyptic number.

3673945380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3673945380 is an abundant number, since it is smaller than the sum of its proper divisors (8082681180).

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

3673945380 is a wasteful number, since it uses less digits than its factorization.

3673945380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8747508 (or 8747506 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 48.

The square root of 3673945380 is about 60613.0792816204. The cubic root of 3673945380 is about 1543.0413529073.

The spelling of 3673945380 in words is "three billion, six hundred seventy-three million, nine hundred forty-five thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 8747489 17494978 26242467 34989956 43737445 52484934 61232423 87474890 104969868 122464846 131212335 174949780 183697269 244929692 262424670 306162115 367394538 524849340 612324230 734789076 918486345 1224648460 1836972690 3673945380