Search a number
-
+
3815628468 = 223317969039
BaseRepresentation
bin1110001101101101…
…1101111010110100
3100211220210000020220
43203123131322310
530303300102333
61430342054340
7163361210151
oct34333357264
910756700226
103815628468
111688906163
128a5a1a3b0
1348a679b32
14282a7d228
15174ea68b3
hexe36ddeb4

3815628468 has 12 divisors (see below), whose sum is σ = 8903133120. Its totient is φ = 1271876152.

The previous prime is 3815628463. The next prime is 3815628473. The reversal of 3815628468 is 8648265183.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3815628463) and next prime (3815628473).

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 3815628468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3815628463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158984508 + ... + 158984531.

It is an arithmetic number, because the mean of its divisors is an integer number (741927760).

Almost surely, 23815628468 is an apocalyptic number.

It is an amenable number.

3815628468 is an abundant number, since it is smaller than the sum of its proper divisors (5087504652).

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

3815628468 is a wasteful number, since it uses less digits than its factorization.

3815628468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317969046 (or 317969044 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 51.

The square root of 3815628468 is about 61770.7735745636. The cubic root of 3815628468 is about 1562.6271298203.

The spelling of 3815628468 in words is "three billion, eight hundred fifteen million, six hundred twenty-eight thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 12 317969039 635938078 953907117 1271876156 1907814234 3815628468