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1207071230 = 25177100419
BaseRepresentation
bin100011111110010…
…0111000111111110
310010010022120102212
41013330213013332
54433002234410
6315435420422
741624636051
oct10774470776
93103276385
101207071230
1156a3a6532
122982b4712
131630cbc41
14b6450a98
1570e85b05
hex47f271fe

1207071230 has 16 divisors (see below), whose sum is σ = 2300536080. Its totient is φ = 454426752.

The previous prime is 1207071227. The next prime is 1207071323. The reversal of 1207071230 is 321707021.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1207071196 and 1207071205.

It is a congruent number.

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, 3550040 + ... + 3550379.

It is an arithmetic number, because the mean of its divisors is an integer number (143783505).

Almost surely, 21207071230 is an apocalyptic number.

1207071230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1207071230 is a deficient number, since it is larger than the sum of its proper divisors (1093464850).

1207071230 is a wasteful number, since it uses less digits than its factorization.

1207071230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7100443.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 1207071230 is about 34742.9306478311. The cubic root of 1207071230 is about 1064.7417890328.

Adding to 1207071230 its reverse (321707021), we get a palindrome (1528778251).

The spelling of 1207071230 in words is "one billion, two hundred seven million, seventy-one thousand, two hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 7100419 14200838 35502095 71004190 120707123 241414246 603535615 1207071230