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149215 = 5112713
BaseRepresentation
bin100100011011011111
321120200111
4210123133
514233330
63110451
71161013
oct443337
9246614
10149215
11a2120
1272427
1352bc1
143c543
152e32a
hex246df

149215 has 8 divisors (see below), whose sum is σ = 195408. Its totient is φ = 108480.

The previous prime is 149213. The next prime is 149239. The reversal of 149215 is 512941.

149215 is nontrivially palindromic in base 12.

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

It is not a de Polignac number, because 149215 - 21 = 149213 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1302 + ... + 1411.

It is an arithmetic number, because the mean of its divisors is an integer number (24426).

2149215 is an apocalyptic number.

149215 is a deficient number, since it is larger than the sum of its proper divisors (46193).

149215 is a wasteful number, since it uses less digits than its factorization.

149215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2729.

The product of its digits is 360, while the sum is 22.

The square root of 149215 is about 386.2835745926. The cubic root of 149215 is about 53.0400788574.

It can be divided in two parts, 14 and 9215, that added together give a palindrome (9229).

The spelling of 149215 in words is "one hundred forty-nine thousand, two hundred fifteen".

Divisors: 1 5 11 55 2713 13565 29843 149215