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1339949630 = 25711887253
BaseRepresentation
bin100111111011110…
…0000001000111110
310110101100111100002
41033313200020332
510221011342010
6340543434302
745130245455
oct11767401076
93411314302
101339949630
11628403a98
123148b5992
131847b4906
14c9d5db9c
157c9821a5
hex4fde023e

1339949630 has 16 divisors (see below), whose sum is σ = 2445881184. Its totient is φ = 528430560.

The previous prime is 1339949623. The next prime is 1339949641. The reversal of 1339949630 is 369499331.

It is a congruent number.

It is an unprimeable number.

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, 942917 + ... + 944336.

It is an arithmetic number, because the mean of its divisors is an integer number (152867574).

Almost surely, 21339949630 is an apocalyptic number.

1339949630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1339949630 is a deficient number, since it is larger than the sum of its proper divisors (1105931554).

1339949630 is a wasteful number, since it uses less digits than its factorization.

1339949630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1887331.

The product of its (nonzero) digits is 472392, while the sum is 47.

The square root of 1339949630 is about 36605.3224272100. The cubic root of 1339949630 is about 1102.4599574448.

The spelling of 1339949630 in words is "one billion, three hundred thirty-nine million, nine hundred forty-nine thousand, six hundred thirty".

Divisors: 1 2 5 10 71 142 355 710 1887253 3774506 9436265 18872530 133994963 267989926 669974815 1339949630