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1730996839 = 112131100443
BaseRepresentation
bin110011100101100…
…1110101001100111
311110122011202021001
41213023032221213
512021113344324
6443433134131
760616142005
oct14713165147
94418152231
101730996839
11809114600
1240385a347
132178101b0
14125c73a75
15a1e77e44
hex672cea67

1730996839 has 12 divisors (see below), whose sum is σ = 2049026728. Its totient is φ = 1452583440.

The previous prime is 1730996837. The next prime is 1730996849. The reversal of 1730996839 is 9386990371.

It is not a de Polignac number, because 1730996839 - 21 = 1730996837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1730996839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1730996837) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 548649 + ... + 551794.

Almost surely, 21730996839 is an apocalyptic number.

1730996839 is a deficient number, since it is larger than the sum of its proper divisors (318029889).

1730996839 is a wasteful number, since it uses less digits than its factorization.

1730996839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100478 (or 1100467 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 55.

The square root of 1730996839 is about 41605.2501374526. The cubic root of 1730996839 is about 1200.6933120863.

The spelling of 1730996839 in words is "one billion, seven hundred thirty million, nine hundred ninety-six thousand, eight hundred thirty-nine".

Divisors: 1 11 13 121 143 1573 1100443 12104873 14305759 133153603 157363349 1730996839