Search a number
-
+
135271470 = 2354509049
BaseRepresentation
bin10000001000000…
…01010000101110
3100102112111120110
420010001100232
5234112141340
621231200450
73231534315
oct1004012056
9312474513
10135271470
116a3a2504
1239376126
1322042cb9
1413d7327c
15bd20680
hex810142e

135271470 has 16 divisors (see below), whose sum is σ = 324651600. Its totient is φ = 36072384.

The previous prime is 135271439. The next prime is 135271481. The reversal of 135271470 is 74172531.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 4509049 = 135271470 / (1 + 3 + 5 + 2 + 7 + 1 + 4 + 7 + 0).

It is a Curzon number.

It is a congruent number.

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, 2254495 + ... + 2254554.

It is an arithmetic number, because the mean of its divisors is an integer number (20290725).

Almost surely, 2135271470 is an apocalyptic number.

135271470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135271470 is an abundant number, since it is smaller than the sum of its proper divisors (189380130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135271470 is a wasteful number, since it uses less digits than its factorization.

135271470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4509059.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 135271470 is about 11630.6263803804. The cubic root of 135271470 is about 513.3364109371.

The spelling of 135271470 in words is "one hundred thirty-five million, two hundred seventy-one thousand, four hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 4509049 9018098 13527147 22545245 27054294 45090490 67635735 135271470