Search a number
-
+
648376116 = 2231312771489
BaseRepresentation
bin100110101001010…
…110111100110100
31200012000220211020
4212221112330310
52311441013431
6144200541140
722032051243
oct4651267464
91605026736
10648376116
11302a9a633
121611817b0
13a4435b0b
146217a95a
153bdc6696
hex26a56f34

648376116 has 48 divisors (see below), whose sum is σ = 1530957120. Its totient is φ = 213557760.

The previous prime is 648376111. The next prime is 648376199. The reversal of 648376116 is 611673846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648376111) 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, 434700 + ... + 436188.

It is an arithmetic number, because the mean of its divisors is an integer number (31894940).

Almost surely, 2648376116 is an apocalyptic number.

It is an amenable number.

648376116 is an abundant number, since it is smaller than the sum of its proper divisors (882581004).

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

648376116 is a wasteful number, since it uses less digits than its factorization.

648376116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904 (or 1902 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 648376116 is about 25463.2306669833. The cubic root of 648376116 is about 865.5171336110.

The spelling of 648376116 in words is "six hundred forty-eight million, three hundred seventy-six thousand, one hundred sixteen".

Divisors: 1 2 3 4 6 12 131 262 277 393 524 554 786 831 1108 1489 1572 1662 2978 3324 4467 5956 8934 17868 36287 72574 108861 145148 195059 217722 390118 412453 435444 585177 780236 824906 1170354 1237359 1649812 2340708 2474718 4949436 54031343 108062686 162094029 216125372 324188058 648376116