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1472709149 = 73322741
BaseRepresentation
bin101011111000111…
…1100001000011101
310210122011101011022
41113301330020131
511004003143044
6402045133525
751331551452
oct12761741035
93718141138
101472709149
116963401aa
1235125a2a5
131a6158442
14dd83b829
15894583ee
hex57c7c21d

1472709149 has 6 divisors (see below), whose sum is σ = 1475259066. Its totient is φ = 1470163440.

The previous prime is 1472709143. The next prime is 1472709151. The reversal of 1472709149 is 9419072741.

It can be written as a sum of positive squares in 3 ways, for example, as 939422500 + 533286649 = 30650^2 + 23093^2 .

It is not a de Polignac number, because 1472709149 - 224 = 1455931933 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 (1472709143) 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 5 ways as a sum of consecutive naturals, for example, 535919 + ... + 538659.

It is an arithmetic number, because the mean of its divisors is an integer number (245876511).

Almost surely, 21472709149 is an apocalyptic number.

It is an amenable number.

1472709149 is a deficient number, since it is larger than the sum of its proper divisors (2549917).

1472709149 is an frugal number, since it uses more digits than its factorization.

1472709149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4207 (or 3474 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 1472709149 is about 38375.8928104611. The cubic root of 1472709149 is about 1137.7294370179.

The spelling of 1472709149 in words is "one billion, four hundred seventy-two million, seven hundred nine thousand, one hundred forty-nine".

Divisors: 1 733 2741 537289 2009153 1472709149