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1413808261 = 29385312653
BaseRepresentation
bin101010001000101…
…0000000010000101
310122112022220022221
41110101100002011
510343413331021
6352142452341
750015112655
oct12421200205
93575286287
101413808261
11666070088
123355940b1
13196ba4848
14d5aa8365
15841c1241
hex54450085

1413808261 has 8 divisors (see below), whose sum is σ = 1463055480. Its totient is φ = 1364594112.

The previous prime is 1413808237. The next prime is 1413808267. The reversal of 1413808261 is 1628083141.

It can be written as a sum of positive squares in 4 ways, for example, as 202350625 + 1211457636 = 14225^2 + 34806^2 .

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 1413808261 - 27 = 1413808133 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 (1413808267) 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, 105411 + ... + 118063.

It is an arithmetic number, because the mean of its divisors is an integer number (182881935).

Almost surely, 21413808261 is an apocalyptic number.

It is an amenable number.

1413808261 is a deficient number, since it is larger than the sum of its proper divisors (49247219).

1413808261 is a wasteful number, since it uses less digits than its factorization.

1413808261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16535.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 1413808261 is about 37600.6417631402. The cubic root of 1413808261 is about 1122.3548087597.

The spelling of 1413808261 in words is "one billion, four hundred thirteen million, eight hundred eight thousand, two hundred sixty-one".

Divisors: 1 29 3853 12653 111737 366937 48752009 1413808261