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1394130238 = 26710403957
BaseRepresentation
bin101001100011000…
…1011110100111110
310121011022011011021
41103012023310332
510323344131423
6350201014354
746355624434
oct12306136476
93534264137
101394130238
11655a4a756
1232aa843ba
13192aa4b47
14d3224d54
15825d595d
hex5318bd3e

1394130238 has 8 divisors (see below), whose sum is σ = 2122407432. Its totient is φ = 686661096.

The previous prime is 1394130193. The next prime is 1394130239. The reversal of 1394130238 is 8320314931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1394130239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5201845 + ... + 5202112.

It is an arithmetic number, because the mean of its divisors is an integer number (265300929).

Almost surely, 21394130238 is an apocalyptic number.

1394130238 is a deficient number, since it is larger than the sum of its proper divisors (728277194).

1394130238 is a wasteful number, since it uses less digits than its factorization.

1394130238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10404026.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 1394130238 is about 37338.0534843476. The cubic root of 1394130238 is about 1117.1233143947.

The spelling of 1394130238 in words is "one billion, three hundred ninety-four million, one hundred thirty thousand, two hundred thirty-eight".

Divisors: 1 2 67 134 10403957 20807914 697065119 1394130238