Search a number
-
+
2546245120 = 2957611307
BaseRepresentation
bin1001011111000100…
…1001111000000000
320120110012122122211
42113301021320000
520203314320440
61100354511504
7120045504106
oct22761117000
96513178584
102546245120
11109731a711
125b0895594
133176a1723
141a224bc76
15ed812eea
hex97c49e00

2546245120 has 80 divisors (see below), whose sum is σ = 6117720048. Its totient is φ = 1016381440.

The previous prime is 2546245087. The next prime is 2546245187. The reversal of 2546245120 is 215426452.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×25462451202 = 12966728422247628800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1947507 + ... + 1948813.

Almost surely, 22546245120 is an apocalyptic number.

2546245120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2546245120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3058860024).

2546245120 is an abundant number, since it is smaller than the sum of its proper divisors (3571474928).

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

2546245120 is an equidigital number, since it uses as much as digits as its factorization.

2546245120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091 (or 2075 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 2546245120 is about 50460.3321431796. The cubic root of 2546245120 is about 1365.5263026137.

The spelling of 2546245120 in words is "two billion, five hundred forty-six million, two hundred forty-five thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 761 1280 1307 1522 2560 2614 3044 3805 5228 6088 6535 7610 10456 12176 13070 15220 20912 24352 26140 30440 41824 48704 52280 60880 83648 97408 104560 121760 167296 194816 209120 243520 334592 389632 418240 487040 669184 836480 974080 994627 1672960 1948160 1989254 3345920 3978508 4973135 7957016 9946270 15914032 19892540 31828064 39785080 63656128 79570160 127312256 159140320 254624512 318280640 509249024 636561280 1273122560 2546245120