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2542256437 = 73391107101
BaseRepresentation
bin1001011110000111…
…1100000100110101
320120011201000012211
42113201330010311
520201304201222
61100133213421
7116666552230
oct22741740465
96504630184
102542256437
111095045986
125ab491271
13316906066
141a18d0417
15ed2c6277
hex9787c135

2542256437 has 8 divisors (see below), whose sum is σ = 2906319872. Its totient is φ = 2178414000.

The previous prime is 2542256429. The next prime is 2542256477. The reversal of 2542256437 is 7346522452.

It is a happy number.

2542256437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2542256437 - 23 = 2542256429 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2542256437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542256477) 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, 29814 + ... + 77287.

It is an arithmetic number, because the mean of its divisors is an integer number (363289984).

Almost surely, 22542256437 is an apocalyptic number.

It is an amenable number.

2542256437 is a deficient number, since it is larger than the sum of its proper divisors (364063435).

2542256437 is a wasteful number, since it uses less digits than its factorization.

2542256437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110499.

The product of its digits is 403200, while the sum is 40.

The square root of 2542256437 is about 50420.7936966486. The cubic root of 2542256437 is about 1364.8128994359.

Adding to 2542256437 its reverse (7346522452), we get a palindrome (9888778889).

The spelling of 2542256437 in words is "two billion, five hundred forty-two million, two hundred fifty-six thousand, four hundred thirty-seven".

Divisors: 1 7 3391 23737 107101 749707 363179491 2542256437