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470140949 = 3371395077
BaseRepresentation
bin11100000001011…
…100100000010101
31012202122122010202
4130001130200111
51430324002244
6114352430245
714436063215
oct3401344025
91182578122
10470140949
11221422943
12111548385
137652c315
1446622245
152b41b04e
hex1c05c815

470140949 has 4 divisors (see below), whose sum is σ = 471536364. Its totient is φ = 468745536.

The previous prime is 470140927. The next prime is 470141017. The reversal of 470140949 is 949041074.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 112741924 + 357399025 = 10618^2 + 18905^2 .

It is a cyclic number.

It is not a de Polignac number, because 470140949 - 224 = 453363733 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 (470140249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697202 + ... + 697875.

It is an arithmetic number, because the mean of its divisors is an integer number (117884091).

Almost surely, 2470140949 is an apocalyptic number.

It is an amenable number.

470140949 is a deficient number, since it is larger than the sum of its proper divisors (1395415).

470140949 is a wasteful number, since it uses less digits than its factorization.

470140949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395414.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 470140949 is about 21682.7338912786. The cubic root of 470140949 is about 777.5757236449.

The spelling of 470140949 in words is "four hundred seventy million, one hundred forty thousand, nine hundred forty-nine".

Divisors: 1 337 1395077 470140949