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1087941434 = 2543970717
BaseRepresentation
bin100000011011000…
…1010101100111010
32210211011011002012
41000312022230322
54212003111214
6255542205522
735650230626
oct10066125472
92724134065
101087941434
11509129558
122644238a2
1314451b138
14a46c0186
15657a303e
hex40d8ab3a

1087941434 has 4 divisors (see below), whose sum is σ = 1631912154. Its totient is φ = 543970716.

The previous prime is 1087941433. The next prime is 1087941443. The reversal of 1087941434 is 4341497801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4341497801 = 6329685969.

It can be written as a sum of positive squares in only one way, i.e., 1037033209 + 50908225 = 32203^2 + 7135^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1087941391 and 1087941400.

It is not an unprimeable number, because it can be changed into a prime (1087941431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271985357 + ... + 271985360.

Almost surely, 21087941434 is an apocalyptic number.

1087941434 is a deficient number, since it is larger than the sum of its proper divisors (543970720).

1087941434 is an equidigital number, since it uses as much as digits as its factorization.

1087941434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543970719.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 1087941434 is about 32983.9572216555. The cubic root of 1087941434 is about 1028.4941813148.

The spelling of 1087941434 in words is "one billion, eighty-seven million, nine hundred forty-one thousand, four hundred thirty-four".

Divisors: 1 2 543970717 1087941434