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1027545434 = 22412131837
BaseRepresentation
bin111101001111110…
…001100101011010
32122121111201100022
4331033301211122
54101022423214
6245543510442
734314664166
oct7517614532
92577451308
101027545434
11488028103
12248158422
13134b62b66
149a67bca6
1560322d8e
hex3d3f195a

1027545434 has 8 divisors (see below), whose sum is σ = 1547714388. Its totient is φ = 511640640.

The previous prime is 1027545419. The next prime is 1027545439. The reversal of 1027545434 is 4345457201.

It can be written as a sum of positive squares in 2 ways, for example, as 989291209 + 38254225 = 31453^2 + 6185^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1027545394 and 1027545403.

It is not an unprimeable number, because it can be changed into a prime (1027545439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1065437 + ... + 1066400.

Almost surely, 21027545434 is an apocalyptic number.

1027545434 is a deficient number, since it is larger than the sum of its proper divisors (520168954).

1027545434 is a wasteful number, since it uses less digits than its factorization.

1027545434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2132080.

The product of its (nonzero) digits is 67200, while the sum is 35.

The square root of 1027545434 is about 32055.3495379476. The cubic root of 1027545434 is about 1009.0987725821.

The spelling of 1027545434 in words is "one billion, twenty-seven million, five hundred forty-five thousand, four hundred thirty-four".

Divisors: 1 2 241 482 2131837 4263674 513772717 1027545434