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1349154430 = 251310378111
BaseRepresentation
bin101000001101010…
…0111011001111110
310111000200010221121
41100122213121332
510230340420210
6341513021154
745301423561
oct12032473176
93430603847
101349154430
11632620768
123179b47ba
13186688540
14cb2784d8
157d69e6da
hex506a767e

1349154430 has 16 divisors (see below), whose sum is σ = 2615284224. Its totient is φ = 498149280.

The previous prime is 1349154419. The next prime is 1349154431. The reversal of 1349154430 is 344519431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1349154431) 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 7 ways as a sum of consecutive naturals, for example, 5188926 + ... + 5189185.

It is an arithmetic number, because the mean of its divisors is an integer number (163455264).

Almost surely, 21349154430 is an apocalyptic number.

1349154430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1349154430 is a deficient number, since it is larger than the sum of its proper divisors (1266129794).

1349154430 is a wasteful number, since it uses less digits than its factorization.

1349154430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10378131.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 1349154430 is about 36730.8375891430. The cubic root of 1349154430 is about 1104.9786527683.

The spelling of 1349154430 in words is "one billion, three hundred forty-nine million, one hundred fifty-four thousand, four hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 10378111 20756222 51890555 103781110 134915443 269830886 674577215 1349154430