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1451047401 = 32161227489
BaseRepresentation
bin101011001111101…
…0011100111101001
310202010101211211100
41112133103213221
510432432004101
6355552552013
750646461616
oct12637234751
93663354740
101451047401
11685095431
12345b52609
131a181283b
14da9dd50d
15875c9e86
hex567d39e9

1451047401 has 6 divisors (see below), whose sum is σ = 2095957370. Its totient is φ = 967364928.

The previous prime is 1451047373. The next prime is 1451047439. The reversal of 1451047401 is 1047401541.

It can be written as a sum of positive squares in only one way, i.e., 1449781776 + 1265625 = 38076^2 + 1125^2 .

It is not a de Polignac number, because 1451047401 - 223 = 1442658793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1451047001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 80613736 + ... + 80613753.

Almost surely, 21451047401 is an apocalyptic number.

It is an amenable number.

1451047401 is a deficient number, since it is larger than the sum of its proper divisors (644909969).

1451047401 is a wasteful number, since it uses less digits than its factorization.

1451047401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161227495 (or 161227492 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 1451047401 is about 38092.6160955112. The cubic root of 1451047401 is about 1132.1236595817.

Adding to 1451047401 its reverse (1047401541), we get a palindrome (2498448942).

The spelling of 1451047401 in words is "one billion, four hundred fifty-one million, forty-seven thousand, four hundred one".

Divisors: 1 3 9 161227489 483682467 1451047401