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187374055 = 5113406801
BaseRepresentation
bin10110010101100…
…01100111100111
3111001120120212211
423022301213213
5340431432210
630332024251
74433440021
oct1312614747
9431516784
10187374055
11968499a0
1252902087
132ca8642b
141ac57011
15116b338a
hexb2b19e7

187374055 has 8 divisors (see below), whose sum is σ = 245289744. Its totient is φ = 136272000.

The previous prime is 187374053. The next prime is 187374071. The reversal of 187374055 is 550473781.

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

It is not a de Polignac number, because 187374055 - 21 = 187374053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 187373999 and 187374017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (187374053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1703346 + ... + 1703455.

It is an arithmetic number, because the mean of its divisors is an integer number (30661218).

Almost surely, 2187374055 is an apocalyptic number.

187374055 is a deficient number, since it is larger than the sum of its proper divisors (57915689).

187374055 is a wasteful number, since it uses less digits than its factorization.

187374055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3406817.

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 187374055 is about 13688.4643039312. The cubic root of 187374055 is about 572.2289405411.

The spelling of 187374055 in words is "one hundred eighty-seven million, three hundred seventy-four thousand, fifty-five".

Divisors: 1 5 11 55 3406801 17034005 37474811 187374055