Search a number
-
+
1013432949 = 32127886643
BaseRepresentation
bin111100011001111…
…100001001110101
32121121221201122200
4330121330021311
54033414323244
6244321215113
734054016004
oct7431741165
92547851580
101013432949
114800691a1
12243491499
13131c61489
1498846c3b
155de86669
hex3c67c275

1013432949 has 12 divisors (see below), whose sum is σ = 1475375616. Its totient is φ = 670301352.

The previous prime is 1013432921. The next prime is 1013432971. The reversal of 1013432949 is 9492343101.

It is not a de Polignac number, because 1013432949 - 29 = 1013432437 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013432909) 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 11 ways as a sum of consecutive naturals, for example, 442179 + ... + 444464.

It is an arithmetic number, because the mean of its divisors is an integer number (122947968).

Almost surely, 21013432949 is an apocalyptic number.

It is an amenable number.

1013432949 is a deficient number, since it is larger than the sum of its proper divisors (461942667).

1013432949 is a wasteful number, since it uses less digits than its factorization.

1013432949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886776 (or 886773 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 1013432949 is about 31834.4616571413. The cubic root of 1013432949 is about 1004.4577486165.

The spelling of 1013432949 in words is "one billion, thirteen million, four hundred thirty-two thousand, nine hundred forty-nine".

Divisors: 1 3 9 127 381 1143 886643 2659929 7979787 112603661 337810983 1013432949