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1690074260 = 225712071959
BaseRepresentation
bin110010010111100…
…0111110010010100
311100210011200000222
41210233013302110
511430124334020
6435412053512
756611252130
oct14457076224
94323150028
101690074260
11798003896
123b2004298
1320c1b2754
141206603c0
159d592b25
hex64bc7c94

1690074260 has 24 divisors (see below), whose sum is σ = 4056178560. Its totient is φ = 579453984.

The previous prime is 1690074233. The next prime is 1690074283. The reversal of 1690074260 is 624700961.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 1690074260.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6035840 + ... + 6036119.

It is an arithmetic number, because the mean of its divisors is an integer number (169007440).

Almost surely, 21690074260 is an apocalyptic number.

1690074260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1690074260 is an abundant number, since it is smaller than the sum of its proper divisors (2366104300).

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

1690074260 is a wasteful number, since it uses less digits than its factorization.

1690074260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12071975 (or 12071973 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 1690074260 is about 41110.5127674175. The cubic root of 1690074260 is about 1191.1558714773.

The spelling of 1690074260 in words is "one billion, six hundred ninety million, seventy-four thousand, two hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 12071959 24143918 48287836 60359795 84503713 120719590 169007426 241439180 338014852 422518565 845037130 1690074260