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1230202024 = 23153775253
BaseRepresentation
bin100100101010011…
…0110010010101000
310011201211201220221
41021110312102220
510004412431044
6322023255424
742325354552
oct11124662250
93151751827
101230202024
11581464a97
122a3baa574
13167b3a3bc
14b95524d2
1573004484
hex495364a8

1230202024 has 8 divisors (see below), whose sum is σ = 2306628810. Its totient is φ = 615101008.

The previous prime is 1230202009. The next prime is 1230202031. The reversal of 1230202024 is 4202020321.

It can be written as a sum of positive squares in only one way, i.e., 1023360100 + 206841924 = 31990^2 + 14382^2 .

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 = 1230201989 and 1230202007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76887619 + ... + 76887634.

Almost surely, 21230202024 is an apocalyptic number.

It is an amenable number.

1230202024 is a deficient number, since it is larger than the sum of its proper divisors (1076426786).

1230202024 is a wasteful number, since it uses less digits than its factorization.

1230202024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153775259 (or 153775255 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1230202024 is about 35074.2359004441. The cubic root of 1230202024 is about 1071.4999268727.

Adding to 1230202024 its reverse (4202020321), we get a palindrome (5432222345).

The spelling of 1230202024 in words is "one billion, two hundred thirty million, two hundred two thousand, twenty-four".

Divisors: 1 2 4 8 153775253 307550506 615101012 1230202024