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1689612962 = 219157283207
BaseRepresentation
bin110010010110101…
…0111001010100010
311100202022020020212
41210231113022202
511430020103322
6435354134122
756604321212
oct14455271242
94322266225
101689612962
11797819254
123b1a21342
1320c0807ab
14120580242
159d5010e2
hex64b572a2

1689612962 has 16 divisors (see below), whose sum is σ = 2684811840. Its totient is φ = 795242448.

The previous prime is 1689612961. The next prime is 1689613007. The reversal of 1689612962 is 2692169861.

It is a super-2 number, since 2×16896129622 = 5709583922716826888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1689612962.

It is not an unprimeable number, because it can be changed into a prime (1689612961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135638 + ... + 147569.

It is an arithmetic number, because the mean of its divisors is an integer number (167800740).

Almost surely, 21689612962 is an apocalyptic number.

1689612962 is a deficient number, since it is larger than the sum of its proper divisors (995198878).

1689612962 is a wasteful number, since it uses less digits than its factorization.

1689612962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283385.

The product of its digits is 559872, while the sum is 50.

The square root of 1689612962 is about 41104.9019217903. The cubic root of 1689612962 is about 1191.0474881093.

The spelling of 1689612962 in words is "one billion, six hundred eighty-nine million, six hundred twelve thousand, nine hundred sixty-two".

Divisors: 1 2 19 38 157 314 2983 5966 283207 566414 5380933 10761866 44463499 88926998 844806481 1689612962