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109545490 = 2510954549
BaseRepresentation
bin1101000011110…
…00100000010010
321122010111011101
412201320200102
5211020423430
614511535014
72500056415
oct641704022
9248114141
10109545490
115692116a
123082a46a
1319906522
1410797b7c
15993cdca
hex6878812

109545490 has 8 divisors (see below), whose sum is σ = 197181900. Its totient is φ = 43818192.

The previous prime is 109545473. The next prime is 109545521. The reversal of 109545490 is 94545901.

It can be written as a sum of positive squares in 2 ways, for example, as 97594641 + 11950849 = 9879^2 + 3457^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5477265 + ... + 5477284.

Almost surely, 2109545490 is an apocalyptic number.

109545490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109545490 is a deficient number, since it is larger than the sum of its proper divisors (87636410).

109545490 is a wasteful number, since it uses less digits than its factorization.

109545490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10954556.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 109545490 is about 10466.3981388059. The cubic root of 109545490 is about 478.4811509903.

The spelling of 109545490 in words is "one hundred nine million, five hundred forty-five thousand, four hundred ninety".

Divisors: 1 2 5 10 10954549 21909098 54772745 109545490