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461729045 = 5137674057
BaseRepresentation
bin11011100001010…
…110110100010101
31012011211021011202
4123201112310111
51421200312140
6113452242245
714304426551
oct3341266425
91164737152
10461729045
112176a7958
1210a770385
137487556b
1445472861
152a808915
hex1b856d15

461729045 has 8 divisors (see below), whose sum is σ = 558120024. Its totient is φ = 366686464.

The previous prime is 461729041. The next prime is 461729077. The reversal of 461729045 is 540927164.

It can be written as a sum of positive squares in 4 ways, for example, as 216148804 + 245580241 = 14702^2 + 15671^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 461729045 - 22 = 461729041 is a prime.

It is a super-2 number, since 2×4617290452 = 426387421993224050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461729041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336344 + ... + 337713.

It is an arithmetic number, because the mean of its divisors is an integer number (69765003).

Almost surely, 2461729045 is an apocalyptic number.

It is an amenable number.

461729045 is a deficient number, since it is larger than the sum of its proper divisors (96390979).

461729045 is a wasteful number, since it uses less digits than its factorization.

461729045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674199.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 461729045 is about 21487.8813520552. The cubic root of 461729045 is about 772.9102466545.

The spelling of 461729045 in words is "four hundred sixty-one million, seven hundred twenty-nine thousand, forty-five".

Divisors: 1 5 137 685 674057 3370285 92345809 461729045