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1690799070 = 235109151659
BaseRepresentation
bin110010011000111…
…1000101111011110
311100211112111021210
41210301320233132
511430321032240
6435435405250
756620361232
oct14461705736
94324474253
101690799070
11798459404
123b22b3826
1320c3a762c
141207ac5c2
159d687780
hex64c78bde

1690799070 has 32 divisors (see below), whose sum is σ = 4061715840. Its totient is φ = 450457760.

The previous prime is 1690799051. The next prime is 1690799129. The reversal of 1690799070 is 709970961.

It is a super-2 number, since 2×16907990702 = 5717602990225729800, which contains 22 as substring.

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, 6901 + ... + 58559.

It is an arithmetic number, because the mean of its divisors is an integer number (126928620).

Almost surely, 21690799070 is an apocalyptic number.

1690799070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1690799070 is an abundant number, since it is smaller than the sum of its proper divisors (2370916770).

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

1690799070 is a wasteful number, since it uses less digits than its factorization.

1690799070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52760.

The product of its (nonzero) digits is 214326, while the sum is 48.

The square root of 1690799070 is about 41119.3272075310. The cubic root of 1690799070 is about 1191.3261279597.

The spelling of 1690799070 in words is "one billion, six hundred ninety million, seven hundred ninety-nine thousand, seventy".

Divisors: 1 2 3 5 6 10 15 30 1091 2182 3273 5455 6546 10910 16365 32730 51659 103318 154977 258295 309954 516590 774885 1549770 56359969 112719938 169079907 281799845 338159814 563599690 845399535 1690799070