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742434902 = 211131257611
BaseRepresentation
bin101100010000001…
…010100001010110
31220202000121012222
4230100022201112
53010030404102
6201400542342
724253410146
oct5420124126
91822017188
10742434902
113510a3370
121887819b2
13baa792c1
1470862926
15452a5aa2
hex2c40a856

742434902 has 16 divisors (see below), whose sum is σ = 1224172224. Its totient is φ = 334893000.

The previous prime is 742434883. The next prime is 742434907. The reversal of 742434902 is 209434247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742434907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125924 + ... + 131687.

It is an arithmetic number, because the mean of its divisors is an integer number (76510764).

Almost surely, 2742434902 is an apocalyptic number.

742434902 is a deficient number, since it is larger than the sum of its proper divisors (481737322).

742434902 is a wasteful number, since it uses less digits than its factorization.

742434902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257755.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 742434902 is about 27247.6586517080. The cubic root of 742434902 is about 905.4951461566.

The spelling of 742434902 in words is "seven hundred forty-two million, four hundred thirty-four thousand, nine hundred two".

Divisors: 1 2 11 22 131 262 1441 2882 257611 515222 2833721 5667442 33747041 67494082 371217451 742434902