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1208230408 = 237111961413
BaseRepresentation
bin100100000000100…
…0010001000001000
310010012111110112101
41020001002020020
54433301333113
6315520323144
741640534430
oct11001021010
93105443471
101208230408
11570018430
122987734b4
13163416748
14b66732c0
15711142dd
hex48042208

1208230408 has 32 divisors (see below), whose sum is σ = 2824436160. Its totient is φ = 470738880.

The previous prime is 1208230399. The next prime is 1208230493. The reversal of 1208230408 is 8040328021.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 980091 + ... + 981322.

It is an arithmetic number, because the mean of its divisors is an integer number (88263630).

Almost surely, 21208230408 is an apocalyptic number.

It is an amenable number.

1208230408 is an abundant number, since it is smaller than the sum of its proper divisors (1616205752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1208230408 is a wasteful number, since it uses less digits than its factorization.

1208230408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961437 (or 1961433 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 1208230408 is about 34759.6088585588. The cubic root of 1208230408 is about 1065.0825119199.

Adding to 1208230408 its reverse (8040328021), we get a palindrome (9248558429).

The spelling of 1208230408 in words is "one billion, two hundred eight million, two hundred thirty thousand, four hundred eight".

Divisors: 1 2 4 7 8 11 14 22 28 44 56 77 88 154 308 616 1961413 3922826 7845652 13729891 15691304 21575543 27459782 43151086 54919564 86302172 109839128 151028801 172604344 302057602 604115204 1208230408