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1690717074 = 2323113108421
BaseRepresentation
bin110010011000110…
…0100101110010010
311100211101022210220
41210301210232102
511430310421244
6435433533510
756616600204
oct14461445622
94324338726
101690717074
11798402842
123b2274296
1320c379207
1412078a774
159d66d319
hex64c64b92

1690717074 has 32 divisors (see below), whose sum is σ = 3559711104. Its totient is φ = 534293760.

The previous prime is 1690717057. The next prime is 1690717103. The reversal of 1690717074 is 4707170961.

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, 38617 + ... + 69804.

It is an arithmetic number, because the mean of its divisors is an integer number (111240972).

Almost surely, 21690717074 is an apocalyptic number.

1690717074 is an abundant number, since it is smaller than the sum of its proper divisors (1868994030).

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

1690717074 is a wasteful number, since it uses less digits than its factorization.

1690717074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108562.

The product of its (nonzero) digits is 74088, while the sum is 42.

The square root of 1690717074 is about 41118.3301460553. The cubic root of 1690717074 is about 1191.3068696973.

The spelling of 1690717074 in words is "one billion, six hundred ninety million, seven hundred seventeen thousand, seventy-four".

Divisors: 1 2 3 6 23 46 69 113 138 226 339 678 2599 5198 7797 15594 108421 216842 325263 650526 2493683 4987366 7481049 12251573 14962098 24503146 36754719 73509438 281786179 563572358 845358537 1690717074