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469025649 = 3272192
BaseRepresentation
bin11011111101001…
…100001101110001
31012200112222020100
4123331030031301
51430032310044
6114312503013
714423436501
oct3375141561
91180488210
10469025649
11220830a04
121110aaa69
137622b791
1446411a01
152b29a869
hex1bf4c371

469025649 has 9 divisors (see below), whose sum is σ = 677575353. Its totient is φ = 312640452.

The previous prime is 469025647. The next prime is 469025651. The reversal of 469025649 is 946520964.

The square root of 469025649 is 21657.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (469025647) and next prime (469025651).

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 469025649 - 21 = 469025647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (469025647) 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 8 ways as a sum of consecutive naturals, for example, 61362 + ... + 68580.

Almost surely, 2469025649 is an apocalyptic number.

469025649 is the 21657-th square number.

469025649 is the 10829-th centered octagonal number.

It is an amenable number.

469025649 is a deficient number, since it is larger than the sum of its proper divisors (208549704).

469025649 is an frugal number, since it uses more digits than its factorization.

469025649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14444 (or 7222 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The cubic root of 469025649 is about 776.9603643015.

The spelling of 469025649 in words is "four hundred sixty-nine million, twenty-five thousand, six hundred forty-nine".

Divisors: 1 3 9 7219 21657 64971 52113961 156341883 469025649