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187013434 = 2611997703
BaseRepresentation
bin10110010010110…
…01100100111010
3111000220021012111
423021121210322
5340333412214
630320202534
74430405446
oct1311314472
9430807174
10187013434
1196622a63
125276944a
132c98b24a
141aba1826
15116415c4
hexb25993a

187013434 has 16 divisors (see below), whose sum is σ = 286588800. Its totient is φ = 91499760.

The previous prime is 187013417. The next prime is 187013443. The reversal of 187013434 is 434310781.

187013434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 187013396 and 187013405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20427 + ... + 28129.

It is an arithmetic number, because the mean of its divisors is an integer number (17911800).

Almost surely, 2187013434 is an apocalyptic number.

187013434 is a deficient number, since it is larger than the sum of its proper divisors (99575366).

187013434 is a wasteful number, since it uses less digits than its factorization.

187013434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7965.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 187013434 is about 13675.2855180431. The cubic root of 187013434 is about 571.8615999289.

The spelling of 187013434 in words is "one hundred eighty-seven million, thirteen thousand, four hundred thirty-four".

Divisors: 1 2 61 122 199 398 7703 12139 15406 24278 469883 939766 1532897 3065794 93506717 187013434