Search a number
-
+
2540453200 = 245223412713
BaseRepresentation
bin1001011101101100…
…0011110101010000
320120001022101122021
42113123003311100
520200324000300
61100030421224
7116645332045
oct22733036520
96501271567
102540453200
1110940240aa
125aa961814
1331642435c
141a15811cc
15ed06bd1a
hex976c3d50

2540453200 has 60 divisors (see below), whose sum is σ = 6108296668. Its totient is φ = 1015372800.

The previous prime is 2540453173. The next prime is 2540453207. The reversal of 2540453200 is 23540452.

2540453200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 181602576 + 2358850624 = 13476^2 + 48568^2 .

It is a super-2 number, since 2×25404532002 = 12907804922780480000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540453207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 935044 + ... + 937756.

Almost surely, 22540453200 is an apocalyptic number.

2540453200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2540453200 is an abundant number, since it is smaller than the sum of its proper divisors (3567843468).

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

2540453200 is a wasteful number, since it uses less digits than its factorization.

2540453200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5072 (or 5061 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 2540453200 is about 50402.9086462279. The cubic root of 2540453200 is about 1364.4901332510.

Adding to 2540453200 its reverse (23540452), we get a palindrome (2563993652).

The spelling of 2540453200 in words is "two billion, five hundred forty million, four hundred fifty-three thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 2341 2713 4682 5426 9364 10852 11705 13565 18728 21704 23410 27130 37456 43408 46820 54260 58525 67825 93640 108520 117050 135650 187280 217040 234100 271300 468200 542600 936400 1085200 6351133 12702266 25404532 31755665 50809064 63511330 101618128 127022660 158778325 254045320 317556650 508090640 635113300 1270226600 2540453200