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1676442920 = 23593744729
BaseRepresentation
bin110001111101100…
…0111110100101000
311022211112010100112
41203323013310220
511413132133140
6434203553452
756354346455
oct14373076450
94284463315
101676442920
11790343419
123a952b888
1320941c079
1411c91282c
159c29dc65
hex63ec7d28

1676442920 has 32 divisors (see below), whose sum is σ = 3776106600. Its totient is φ = 669846528.

The previous prime is 1676442917. The next prime is 1676442923. The reversal of 1676442920 is 292446761.

It is an interprime number because it is at equal distance from previous prime (1676442917) and next prime (1676442923).

It can be written as a sum of positive squares in 4 ways, for example, as 1147718884 + 528724036 = 33878^2 + 22994^2 .

It is not an unprimeable number, because it can be changed into a prime (1676442923) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 15116 + ... + 59844.

Almost surely, 21676442920 is an apocalyptic number.

1676442920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1676442920 is an abundant number, since it is smaller than the sum of its proper divisors (2099663680).

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

1676442920 is a wasteful number, since it uses less digits than its factorization.

1676442920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45677 (or 45673 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 1676442920 is about 40944.3881380587. The cubic root of 1676442920 is about 1187.9447895378.

The spelling of 1676442920 in words is "one billion, six hundred seventy-six million, four hundred forty-two thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 937 1874 3748 4685 7496 9370 18740 37480 44729 89458 178916 223645 357832 447290 894580 1789160 41911073 83822146 167644292 209555365 335288584 419110730 838221460 1676442920