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742049288 = 2396312
BaseRepresentation
bin101100001110101…
…100011000001000
31220201022000020222
4230032230120020
53004431034123
6201344405212
724250213001
oct5416543010
91821260228
10742049288
1135095a682
12188616808
13ba972926
14707a21a8
154522b6c8
hex2c3ac608

742049288 has 12 divisors (see below), whose sum is σ = 1391486895. Its totient is φ = 370986120.

The previous prime is 742049261. The next prime is 742049311. The reversal of 742049288 is 882940247.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 371024644 + 371024644 = 19262^2 + 19262^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=19262.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 72233 + ... + 81863.

Almost surely, 2742049288 is an apocalyptic number.

It is an amenable number.

742049288 is a deficient number, since it is larger than the sum of its proper divisors (649437607).

742049288 is an frugal number, since it uses more digits than its factorization.

742049288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19268 (or 9633 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 742049288 is about 27240.5816384306. The cubic root of 742049288 is about 905.3383503334.

The spelling of 742049288 in words is "seven hundred forty-two million, forty-nine thousand, two hundred eighty-eight".

Divisors: 1 2 4 8 9631 19262 38524 77048 92756161 185512322 371024644 742049288