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1934500997 = 111323588173
BaseRepresentation
bin111001101001110…
…0010010010000101
311222211002211111002
41303103202102011
512430213012442
6515543023045
765636662412
oct16323422205
94884084432
101934500997
11902a80260
1245ba3aa85
1324aa23460
14144cc9109
15b4c75732
hex734e2485

1934500997 has 16 divisors (see below), whose sum is σ = 2371517568. Its totient is φ = 1552774080.

The previous prime is 1934500993. The next prime is 1934501039. The reversal of 1934500997 is 7990054391.

It is not a de Polignac number, because 1934500997 - 22 = 1934500993 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1934500993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290798 + ... + 297375.

It is an arithmetic number, because the mean of its divisors is an integer number (148219848).

Almost surely, 21934500997 is an apocalyptic number.

It is an amenable number.

1934500997 is a deficient number, since it is larger than the sum of its proper divisors (437016571).

1934500997 is a wasteful number, since it uses less digits than its factorization.

1934500997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588220.

The product of its (nonzero) digits is 306180, while the sum is 47.

The square root of 1934500997 is about 43982.9625764341. The cubic root of 1934500997 is about 1246.0141834820.

The spelling of 1934500997 in words is "one billion, nine hundred thirty-four million, five hundred thousand, nine hundred ninety-seven".

Divisors: 1 11 13 23 143 253 299 3289 588173 6469903 7646249 13527979 84108739 148807769 175863727 1934500997