Search a number
-
+
149781214 = 2116808237
BaseRepresentation
bin10001110110101…
…11101011011110
3101102211200012101
420323113223132
5301320444324
622510155314
73466055632
oct1073275336
9342750171
10149781214
1177602930
12421b2b3a
132505344b
1415c6cdc2
15d239944
hex8ed7ade

149781214 has 8 divisors (see below), whose sum is σ = 245096568. Its totient is φ = 68082360.

The previous prime is 149781209. The next prime is 149781223. The reversal of 149781214 is 412187941.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3404097 + ... + 3404140.

It is an arithmetic number, because the mean of its divisors is an integer number (30637071).

Almost surely, 2149781214 is an apocalyptic number.

149781214 is a deficient number, since it is larger than the sum of its proper divisors (95315354).

149781214 is a wasteful number, since it uses less digits than its factorization.

149781214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6808250.

The product of its digits is 16128, while the sum is 37.

The square root of 149781214 is about 12238.5135535326. The cubic root of 149781214 is about 531.0708313176.

The spelling of 149781214 in words is "one hundred forty-nine million, seven hundred eighty-one thousand, two hundred fourteen".

Divisors: 1 2 11 22 6808237 13616474 74890607 149781214