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131100442 = 2115959111
BaseRepresentation
bin1111101000001…
…10111100011010
3100010200120222221
413310012330122
5232030203232
621001534254
73151223014
oct764067432
9303616887
10131100442
1168003780
1237aa438a
1321212635
14135a91b4
15b799897
hex7d06f1a

131100442 has 8 divisors (see below), whose sum is σ = 214528032. Its totient is φ = 59591100.

The previous prime is 131100433. The next prime is 131100521. The reversal of 131100442 is 244001131.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2979534 + ... + 2979577.

It is an arithmetic number, because the mean of its divisors is an integer number (26816004).

Almost surely, 2131100442 is an apocalyptic number.

131100442 is a deficient number, since it is larger than the sum of its proper divisors (83427590).

131100442 is a wasteful number, since it uses less digits than its factorization.

131100442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5959124.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 131100442 is about 11449.9101306517. The cubic root of 131100442 is about 508.0050762094.

Adding to 131100442 its reverse (244001131), we get a palindrome (375101573).

The spelling of 131100442 in words is "one hundred thirty-one million, one hundred thousand, four hundred forty-two".

Divisors: 1 2 11 22 5959111 11918222 65550221 131100442