Search a number
-
+
189414585 = 3351403071
BaseRepresentation
bin10110100101000…
…11110010111001
3111012102020222000
423102203302321
5341442231320
630443451213
74456666053
oct1322436271
9435366860
10189414585
1197a12a88
1253526b09
133031c149
141b2288d3
1511967c90
hexb4a3cb9

189414585 has 16 divisors (see below), whose sum is σ = 336737280. Its totient is φ = 101021040.

The previous prime is 189414583. The next prime is 189414601. The reversal of 189414585 is 585414981.

It is a happy number.

189414585 is a `hidden beast` number, since 189 + 414 + 58 + 5 = 666.

It is not a de Polignac number, because 189414585 - 21 = 189414583 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 189414585.

It is not an unprimeable number, because it can be changed into a prime (189414583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 701401 + ... + 701670.

It is an arithmetic number, because the mean of its divisors is an integer number (21046080).

Almost surely, 2189414585 is an apocalyptic number.

189414585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

189414585 is a deficient number, since it is larger than the sum of its proper divisors (147322695).

189414585 is a wasteful number, since it uses less digits than its factorization.

189414585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403085 (or 1403079 counting only the distinct ones).

The product of its digits is 230400, while the sum is 45.

The square root of 189414585 is about 13762.7971357570. The cubic root of 189414585 is about 574.2986635052.

The spelling of 189414585 in words is "one hundred eighty-nine million, four hundred fourteen thousand, five hundred eighty-five".

Divisors: 1 3 5 9 15 27 45 135 1403071 4209213 7015355 12627639 21046065 37882917 63138195 189414585