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1964069814 = 237433107999
BaseRepresentation
bin111010100010001…
…0101001110110110
312001212202002021110
41311010111032312
513010300213224
6522520455450
766446214030
oct16504251666
95055662243
101964069814
119187367a3
1246991a586
13253ba70b5
14148bc4c50
15b7666929
hex751153b6

1964069814 has 32 divisors (see below), whose sum is σ = 4499712000. Its totient is φ = 559861632.

The previous prime is 1964069791. The next prime is 1964069827. The reversal of 1964069814 is 4189604691.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35814 + ... + 72185.

It is an arithmetic number, because the mean of its divisors is an integer number (140616000).

Almost surely, 21964069814 is an apocalyptic number.

1964069814 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1964069814 is an abundant number, since it is smaller than the sum of its proper divisors (2535642186).

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

1964069814 is a wasteful number, since it uses less digits than its factorization.

1964069814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108444.

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 1964069814 is about 44317.8272707496. The cubic root of 1964069814 is about 1252.3305457979.

The spelling of 1964069814 in words is "one billion, nine hundred sixty-four million, sixty-nine thousand, eight hundred fourteen".

Divisors: 1 2 3 6 7 14 21 42 433 866 1299 2598 3031 6062 9093 18186 107999 215998 323997 647994 755993 1511986 2267979 4535958 46763567 93527134 140290701 280581402 327344969 654689938 982034907 1964069814