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1355413028 = 221572158301
BaseRepresentation
bin101000011001001…
…1111011000100100
310111110110010010112
41100302133120210
510233441204103
6342255112152
745405551324
oct12062373044
93443403115
101355413028
11636105962
12319b12658
13187a6a158
14cc027284
157ded8cd8
hex50c9f624

1355413028 has 12 divisors (see below), whose sum is σ = 2387082012. Its totient is φ = 673389600.

The previous prime is 1355412997. The next prime is 1355413039. The reversal of 1355413028 is 8203145531.

It can be written as a sum of positive squares in 2 ways, for example, as 850422244 + 504990784 = 29162^2 + 22472^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1355412985 and 1355413003.

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, 1078523 + ... + 1079778.

It is an arithmetic number, because the mean of its divisors is an integer number (198923501).

Almost surely, 21355413028 is an apocalyptic number.

It is an amenable number.

1355413028 is a deficient number, since it is larger than the sum of its proper divisors (1031668984).

1355413028 is a wasteful number, since it uses less digits than its factorization.

1355413028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158462 (or 2158460 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 1355413028 is about 36815.9344306239. The cubic root of 1355413028 is about 1106.6846474958.

Adding to 1355413028 its reverse (8203145531), we get a palindrome (9558558559).

The spelling of 1355413028 in words is "one billion, three hundred fifty-five million, four hundred thirteen thousand, twenty-eight".

Divisors: 1 2 4 157 314 628 2158301 4316602 8633204 338853257 677706514 1355413028