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742148605 = 51128574723
BaseRepresentation
bin101100001111000…
…100100111111101
31220201111001111101
4230033010213331
53004442223410
6201350453101
724251105362
oct5417044775
91821431441
10742148605
11350a18260
12188664191
13ba9a8bb3
14707ca469
154524ad3a
hex2c3c49fd

742148605 has 16 divisors (see below), whose sum is σ = 972085824. Its totient is φ = 539441280.

The previous prime is 742148581. The next prime is 742148621. The reversal of 742148605 is 506841247.

It is not a de Polignac number, because 742148605 - 215 = 742115837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154774 + ... + 159496.

It is an arithmetic number, because the mean of its divisors is an integer number (60755364).

Almost surely, 2742148605 is an apocalyptic number.

It is an amenable number.

742148605 is a deficient number, since it is larger than the sum of its proper divisors (229937219).

742148605 is a wasteful number, since it uses less digits than its factorization.

742148605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7596.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 742148605 is about 27242.4045377790. The cubic root of 742148605 is about 905.3787391500.

The spelling of 742148605 in words is "seven hundred forty-two million, one hundred forty-eight thousand, six hundred five".

Divisors: 1 5 11 55 2857 4723 14285 23615 31427 51953 157135 259765 13493611 67468055 148429721 742148605