Search a number
-
+
32000055 = 357130047
BaseRepresentation
bin111101000010…
…0100000110111
32020012202211020
41322010200313
531143000210
63101512223
7535665423
oct172044067
966182736
1032000055
111707712a
12a872673
136825459
14436db83
152c21770
hex1e84837

32000055 has 16 divisors (see below), whose sum is σ = 51922944. Its totient is φ = 16825760.

The previous prime is 32000053. The next prime is 32000057. The reversal of 32000055 is 55000023.

32000055 = T1170 + T1171 + ... + T1214.

It is an interprime number because it is at equal distance from previous prime (32000053) and next prime (32000057).

It is not a de Polignac number, because 32000055 - 21 = 32000053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 31999998 and 32000043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32000053) 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, 13959 + ... + 16088.

It is an arithmetic number, because the mean of its divisors is an integer number (3245184).

Almost surely, 232000055 is an apocalyptic number.

32000055 is a deficient number, since it is larger than the sum of its proper divisors (19922889).

32000055 is a wasteful number, since it uses less digits than its factorization.

32000055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30126.

The product of its (nonzero) digits is 150, while the sum is 15.

The square root of 32000055 is about 5656.8591108494. The cubic root of 32000055 is about 317.4803922832.

Adding to 32000055 its reverse (55000023), we get a palindrome (87000078).

The spelling of 32000055 in words is "thirty-two million, fifty-five", and thus it is an aban number and an uban number.

Divisors: 1 3 5 15 71 213 355 1065 30047 90141 150235 450705 2133337 6400011 10666685 32000055