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1813353032 = 23226669129
BaseRepresentation
bin110110000010101…
…1001001001001000
311200101010212201102
41230011121021020
512203204244112
6455534240532
762636150351
oct15405311110
94611125642
101813353032
11850654a77
12427356148
1322b8b6b7a
14132b90d28
15a92e4bc2
hex6c159248

1813353032 has 8 divisors (see below), whose sum is σ = 3400036950. Its totient is φ = 906676512.

The previous prime is 1813353001. The next prime is 1813353049. The reversal of 1813353032 is 2303533181.

It can be written as a sum of positive squares in only one way, i.e., 1567051396 + 246301636 = 39586^2 + 15694^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1813352986 and 1813353004.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113334557 + ... + 113334572.

Almost surely, 21813353032 is an apocalyptic number.

It is an amenable number.

1813353032 is a deficient number, since it is larger than the sum of its proper divisors (1586683918).

1813353032 is a wasteful number, since it uses less digits than its factorization.

1813353032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226669135 (or 226669131 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 1813353032 is about 42583.4830891039. The cubic root of 1813353032 is about 1219.4409854956.

The spelling of 1813353032 in words is "one billion, eight hundred thirteen million, three hundred fifty-three thousand, thirty-two".

Divisors: 1 2 4 8 226669129 453338258 906676516 1813353032