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2153251284 = 223414376527
BaseRepresentation
bin1000000001011000…
…0000000111010100
312120001201111110120
42000112000013110
513402213020114
6553355351540
7104234222352
oct20026000724
95501644416
102153251284
11a054aa618
125011525b0
132841440b2
14165d8c7d2
15c90855a9
hex805801d4

2153251284 has 24 divisors (see below), whose sum is σ = 5146796928. Its totient is φ = 700244160.

The previous prime is 2153251259. The next prime is 2153251301. The reversal of 2153251284 is 4821523512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2187772 + ... + 2188755.

It is an arithmetic number, because the mean of its divisors is an integer number (214449872).

Almost surely, 22153251284 is an apocalyptic number.

It is an amenable number.

2153251284 is an abundant number, since it is smaller than the sum of its proper divisors (2993545644).

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

2153251284 is a wasteful number, since it uses less digits than its factorization.

2153251284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4376575 (or 4376573 counting only the distinct ones).

The product of its digits is 19200, while the sum is 33.

The square root of 2153251284 is about 46403.1387300471. The cubic root of 2153251284 is about 1291.3131439442.

Adding to 2153251284 its reverse (4821523512), we get a palindrome (6974774796).

The spelling of 2153251284 in words is "two billion, one hundred fifty-three million, two hundred fifty-one thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 12 41 82 123 164 246 492 4376527 8753054 13129581 17506108 26259162 52518324 179437607 358875214 538312821 717750428 1076625642 2153251284