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1689760074 = 234710954973
BaseRepresentation
bin110010010110111…
…1011000101001010
311100202120201001110
41210231323011022
511430034310244
6435401231150
756605503132
oct14455730512
94322521043
101689760074
11797909832
123b1a924b6
1320c102742
141205bbac2
159d52e9b9
hex64b7b14a

1689760074 has 32 divisors (see below), whose sum is σ = 3483152640. Its totient is φ = 546201792.

The previous prime is 1689760073. The next prime is 1689760087. The reversal of 1689760074 is 4700679861.

It is not an unprimeable number, because it can be changed into a prime (1689760073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3252 + ... + 58224.

It is an arithmetic number, because the mean of its divisors is an integer number (108848520).

Almost surely, 21689760074 is an apocalyptic number.

1689760074 is an abundant number, since it is smaller than the sum of its proper divisors (1793392566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1689760074 is a wasteful number, since it uses less digits than its factorization.

1689760074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55134.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 1689760074 is about 41106.6913531118. The cubic root of 1689760074 is about 1191.0820546633.

The spelling of 1689760074 in words is "one billion, six hundred eighty-nine million, seven hundred sixty thousand, seventy-four".

Divisors: 1 2 3 6 47 94 109 141 218 282 327 654 5123 10246 15369 30738 54973 109946 164919 329838 2583731 5167462 5992057 7751193 11984114 15502386 17976171 35952342 281626679 563253358 844880037 1689760074