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1696203090 = 2325101186601
BaseRepresentation
bin110010100011010…
…0000000101010010
311101012201001012200
41211012200011102
511433211444330
6440151304030
760014326341
oct14506400522
94335631180
101696203090
117a050a53a
123b407b016
1321054a28a
141213b7b58
159dda3a60
hex651a0152

1696203090 has 48 divisors (see below), whose sum is σ = 4453816536. Its totient is φ = 447840000.

The previous prime is 1696203071. The next prime is 1696203097. The reversal of 1696203090 is 903026961.

It can be written as a sum of positive squares in 4 ways, for example, as 1695874761 + 328329 = 41181^2 + 573^2 .

It is not an unprimeable number, because it can be changed into a prime (1696203097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84211 + ... + 102390.

Almost surely, 21696203090 is an apocalyptic number.

1696203090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1696203090 is an abundant number, since it is smaller than the sum of its proper divisors (2757613446).

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

1696203090 is a wasteful number, since it uses less digits than its factorization.

1696203090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186715 (or 186712 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 1696203090 is about 41184.9862207091. The cubic root of 1696203090 is about 1192.5939907193.

The spelling of 1696203090 in words is "one billion, six hundred ninety-six million, two hundred three thousand, ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 101 202 303 505 606 909 1010 1515 1818 3030 4545 9090 186601 373202 559803 933005 1119606 1679409 1866010 2799015 3358818 5598030 8397045 16794090 18846701 37693402 56540103 94233505 113080206 169620309 188467010 282700515 339240618 565401030 848101545 1696203090