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2054543142 = 23342423857
BaseRepresentation
bin111101001110101…
…1101011100100110
312022011222121100110
41322131131130212
513201430340032
6535511553450
7101625220461
oct17235353446
95264877313
102054543142
11964810743
1249408b886
13269863602
14156c162d8
15c05887cc
hex7a75d726

2054543142 has 8 divisors (see below), whose sum is σ = 4109086296. Its totient is φ = 684847712.

The previous prime is 2054543137. The next prime is 2054543191. The reversal of 2054543142 is 2413454502.

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

2054543142 is an admirable number.

It is a super-2 number, since 2×20545431422 = 8442295044678464328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171211923 + ... + 171211934.

It is an arithmetic number, because the mean of its divisors is an integer number (513635787).

Almost surely, 22054543142 is an apocalyptic number.

2054543142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2054543142 is a wasteful number, since it uses less digits than its factorization.

2054543142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342423862.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 2054543142 is about 45327.0685352583. The cubic root of 2054543142 is about 1271.2718244828.

Adding to 2054543142 its reverse (2413454502), we get a palindrome (4467997644).

The spelling of 2054543142 in words is "two billion, fifty-four million, five hundred forty-three thousand, one hundred forty-two".

Divisors: 1 2 3 6 342423857 684847714 1027271571 2054543142