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1454447042 = 2727223521
BaseRepresentation
bin101011010110001…
…0001100111000010
310202100210120020222
41112230101213002
510434314301132
6400153503042
751020411246
oct12654214702
93670716228
101454447042
11686aa7654
12347111a82
131a2433069
14db246426
1587a4c412
hex56b119c2

1454447042 has 4 divisors (see below), whose sum is σ = 2181670566. Its totient is φ = 727223520.

The previous prime is 1454447011. The next prime is 1454447107. The reversal of 1454447042 is 2407444541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2407444541 = 2983015329.

It can be written as a sum of positive squares in only one way, i.e., 1040772121 + 413674921 = 32261^2 + 20339^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1454446993 and 1454447011.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363611759 + ... + 363611762.

Almost surely, 21454447042 is an apocalyptic number.

1454447042 is a deficient number, since it is larger than the sum of its proper divisors (727223524).

1454447042 is an equidigital number, since it uses as much as digits as its factorization.

1454447042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727223523.

The product of its (nonzero) digits is 71680, while the sum is 35.

The square root of 1454447042 is about 38137.2133486441. The cubic root of 1454447042 is about 1133.0071161649.

The spelling of 1454447042 in words is "one billion, four hundred fifty-four million, four hundred forty-seven thousand, forty-two".

Divisors: 1 2 727223521 1454447042