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1690716290 = 25267163299
BaseRepresentation
bin110010011000110…
…0100100010000010
311100211101021201212
41210301210202002
511430310410130
6435433530122
756616565004
oct14461444202
94324337655
101690716290
1179840219a
123b2273942
1320c378a53
1412078a374
159d66ce95
hex64c64882

1690716290 has 16 divisors (see below), whose sum is σ = 3044476800. Its totient is φ = 676022640.

The previous prime is 1690716259. The next prime is 1690716299. The reversal of 1690716290 is 926170961.

It is not an unprimeable number, because it can be changed into a prime (1690716299) 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 7 ways as a sum of consecutive naturals, for example, 4940 + ... + 58359.

It is an arithmetic number, because the mean of its divisors is an integer number (190279800).

Almost surely, 21690716290 is an apocalyptic number.

1690716290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1690716290 is a deficient number, since it is larger than the sum of its proper divisors (1353760510).

1690716290 is a wasteful number, since it uses less digits than its factorization.

1690716290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65977.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 1690716290 is about 41118.3206125931. The cubic root of 1690716290 is about 1191.3066855575.

The spelling of 1690716290 in words is "one billion, six hundred ninety million, seven hundred sixteen thousand, two hundred ninety".

Divisors: 1 2 5 10 2671 5342 13355 26710 63299 126598 316495 632990 169071629 338143258 845358145 1690716290