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742419229 = 1434151769
BaseRepresentation
bin101100010000000…
…110101100011101
31220201222210201111
4230100012230131
53010024403404
6201400342021
724253313356
oct5420065435
91821883644
10742419229
11351092612
12188774911
13baa72126
147085ad2d
15452a1104
hex2c406b1d

742419229 has 4 divisors (see below), whose sum is σ = 742485340. Its totient is φ = 742353120.

The previous prime is 742419211. The next prime is 742419241. The reversal of 742419229 is 922914247.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 922914247 = 8910369823.

It can be written as a sum of positive squares in 2 ways, for example, as 165122500 + 577296729 = 12850^2 + 24027^2 .

It is a cyclic number.

It is not a de Polignac number, because 742419229 - 29 = 742418717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 742419191 and 742419200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742419299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11544 + ... + 40225.

It is an arithmetic number, because the mean of its divisors is an integer number (185621335).

Almost surely, 2742419229 is an apocalyptic number.

It is an amenable number.

742419229 is a deficient number, since it is larger than the sum of its proper divisors (66111).

742419229 is a wasteful number, since it uses less digits than its factorization.

742419229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66110.

The product of its digits is 72576, while the sum is 40.

The square root of 742419229 is about 27247.3710474974. The cubic root of 742419229 is about 905.4887743633.

The spelling of 742419229 in words is "seven hundred forty-two million, four hundred nineteen thousand, two hundred twenty-nine".

Divisors: 1 14341 51769 742419229