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2542456030 = 25265995617
BaseRepresentation
bin1001011110001010…
…1100110011011110
320120012002011000011
42113202230303132
520201332043110
61100141353434
7120001343152
oct22742546336
96505064004
102542456030
111095171934
125ab56887a
13316975b6a
141a1943062
15ed31548a
hex978accde

2542456030 has 16 divisors (see below), whose sum is σ = 4578189840. Its totient is φ = 1016589312.

The previous prime is 2542455947. The next prime is 2542456031. The reversal of 2542456030 is 306542452.

It is a junction number, because it is equal to n+sod(n) for n = 2542455983 and 2542456001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542456031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21219 + ... + 74398.

It is an arithmetic number, because the mean of its divisors is an integer number (286136865).

Almost surely, 22542456030 is an apocalyptic number.

2542456030 is a deficient number, since it is larger than the sum of its proper divisors (2035733810).

2542456030 is a wasteful number, since it uses less digits than its factorization.

2542456030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98283.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 2542456030 is about 50422.7729304924. The cubic root of 2542456030 is about 1364.8486157348.

Adding to 2542456030 its reverse (306542452), we get a palindrome (2848998482).

The spelling of 2542456030 in words is "two billion, five hundred forty-two million, four hundred fifty-six thousand, thirty".

Divisors: 1 2 5 10 2659 5318 13295 26590 95617 191234 478085 956170 254245603 508491206 1271228015 2542456030