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109987474 = 2523710501
BaseRepresentation
bin1101000111001…
…00011010010010
321122221221110011
412203210122102
5211124044344
614525225134
72503610122
oct643443222
9248857404
10109987474
11570a3243
1230a021aa
1319a2c75c
1410870c82
1599c8d34
hex68e4692

109987474 has 8 divisors (see below), whose sum is σ = 165028428. Its totient is φ = 54978000.

The previous prime is 109987457. The next prime is 109987477. The reversal of 109987474 is 474789901.

It can be written as a sum of positive squares in 2 ways, for example, as 109056249 + 931225 = 10443^2 + 965^2 .

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

It is not an unprimeable number, because it can be changed into a prime (109987477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5224 + ... + 15724.

Almost surely, 2109987474 is an apocalyptic number.

109987474 is a deficient number, since it is larger than the sum of its proper divisors (55040954).

109987474 is a wasteful number, since it uses less digits than its factorization.

109987474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15740.

The product of its (nonzero) digits is 508032, while the sum is 49.

The square root of 109987474 is about 10487.4913110810. The cubic root of 109987474 is about 479.1237979477.

The spelling of 109987474 in words is "one hundred nine million, nine hundred eighty-seven thousand, four hundred seventy-four".

Divisors: 1 2 5237 10474 10501 21002 54993737 109987474