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1689075024 = 243713386693
BaseRepresentation
bin110010010101101…
…0011110101010000
311100201021220100020
41210223103311100
511424400400044
6435334423440
756566620660
oct14453236520
94321256306
101689075024
1179749107a
123b1801b80
1320bc229a0
141204801a0
159d446a19
hex64ad3d50

1689075024 has 80 divisors (see below), whose sum is σ = 5370406272. Its totient is φ = 445469184.

The previous prime is 1689075023. The next prime is 1689075067. The reversal of 1689075024 is 4205709861.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1689075023) 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, 188979 + ... + 197714.

Almost surely, 21689075024 is an apocalyptic number.

1689075024 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1689075024 is an abundant number, since it is smaller than the sum of its proper divisors (3681331248).

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

1689075024 is a wasteful number, since it uses less digits than its factorization.

1689075024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386724 (or 386718 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 1689075024 is about 41098.3579234013. The cubic root of 1689075024 is about 1190.9210730217.

The spelling of 1689075024 in words is "one billion, six hundred eighty-nine million, seventy-five thousand, twenty-four".

Divisors: 1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 39 42 48 52 56 78 84 91 104 112 156 168 182 208 273 312 336 364 546 624 728 1092 1456 2184 4368 386693 773386 1160079 1546772 2320158 2706851 3093544 4640316 5027009 5413702 6187088 8120553 9280632 10054018 10827404 15081027 16241106 18561264 20108036 21654808 30162054 32482212 35189063 40216072 43309616 60324108 64964424 70378126 80432144 105567189 120648216 129928848 140756252 211134378 241296432 281512504 422268756 563025008 844537512 1689075024