Search a number
-
+
2148876990 = 2325131836647
BaseRepresentation
bin1000000000010101…
…0100001010111110
312112202111021001200
42000011110022332
513400103030430
6553121520330
7104152103331
oct20005241276
95482437050
102148876990
11a02a920a7
124bb7a30a6
13283272060
14165570618
15c89be460
hex801542be

2148876990 has 48 divisors (see below), whose sum is σ = 6016858848. Its totient is φ = 528954048.

The previous prime is 2148876967. The next prime is 2148877001. The reversal of 2148876990 is 996788412.

2148876990 is a `hidden beast` number, since 2 + 1 + 488 + 76 + 9 + 90 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 917154 + ... + 919493.

It is an arithmetic number, because the mean of its divisors is an integer number (125351226).

Almost surely, 22148876990 is an apocalyptic number.

2148876990 is an abundant number, since it is smaller than the sum of its proper divisors (3867981858).

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

2148876990 is a wasteful number, since it uses less digits than its factorization.

2148876990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836673 (or 1836670 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The square root of 2148876990 is about 46355.9811674826. The cubic root of 2148876990 is about 1290.4381241229.

The spelling of 2148876990 in words is "two billion, one hundred forty-eight million, eight hundred seventy-six thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 30 39 45 65 78 90 117 130 195 234 390 585 1170 1836647 3673294 5509941 9183235 11019882 16529823 18366470 23876411 27549705 33059646 47752822 55099410 71629233 82649115 119382055 143258466 165298230 214887699 238764110 358146165 429775398 716292330 1074438495 2148876990