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2145254482 = 27236662281
BaseRepresentation
bin111111111011101…
…1111110001010010
312112111200012220201
41333313133301102
513343141120412
6552512125414
7104106235150
oct17767376122
95474605821
102145254482
11a00a38498
124ba53686a
132825a4267
14164caa3d0
15c8505e57
hex7fddfc52

2145254482 has 16 divisors (see below), whose sum is σ = 3837474432. Its totient is φ = 879420960.

The previous prime is 2145254471. The next prime is 2145254483. The reversal of 2145254482 is 2844525412.

It is not an unprimeable number, because it can be changed into a prime (2145254483) 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, 3330819 + ... + 3331462.

It is an arithmetic number, because the mean of its divisors is an integer number (239842152).

Almost surely, 22145254482 is an apocalyptic number.

2145254482 is a deficient number, since it is larger than the sum of its proper divisors (1692219950).

2145254482 is a wasteful number, since it uses less digits than its factorization.

2145254482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6662313.

The product of its digits is 102400, while the sum is 37.

The square root of 2145254482 is about 46316.8919725838. The cubic root of 2145254482 is about 1289.7125898572.

Adding to 2145254482 its reverse (2844525412), we get a palindrome (4989779894).

The spelling of 2145254482 in words is "two billion, one hundred forty-five million, two hundred fifty-four thousand, four hundred eighty-two".

Divisors: 1 2 7 14 23 46 161 322 6662281 13324562 46635967 93271934 153232463 306464926 1072627241 2145254482