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1193431493 = 3073887399
BaseRepresentation
bin100011100100010…
…0101000111000101
310002011122121020102
41013020211013011
54421004301433
6314231213445
741401000052
oct10710450705
93064577212
101193431493
1156272a821
12293817285
131603347a7
14b4700029
156eb8e4e8
hex472251c5

1193431493 has 4 divisors (see below), whose sum is σ = 1197319200. Its totient is φ = 1189543788.

The previous prime is 1193431469. The next prime is 1193431531. The reversal of 1193431493 is 3941343911.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1193431493 - 218 = 1193169349 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 (1193430493) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1943393 + ... + 1944006.

It is an arithmetic number, because the mean of its divisors is an integer number (299329800).

Almost surely, 21193431493 is an apocalyptic number.

It is an amenable number.

1193431493 is a deficient number, since it is larger than the sum of its proper divisors (3887707).

1193431493 is an equidigital number, since it uses as much as digits as its factorization.

1193431493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3887706.

The product of its digits is 34992, while the sum is 38.

The square root of 1193431493 is about 34546.0778236835. The cubic root of 1193431493 is about 1060.7161094957.

The spelling of 1193431493 in words is "one billion, one hundred ninety-three million, four hundred thirty-one thousand, four hundred ninety-three".

Divisors: 1 307 3887399 1193431493