Search a number
-
+
149383149 = 31910872411
BaseRepresentation
bin10001110011101…
…10011111101101
3101102002110011020
420321312133231
5301220230044
622453444353
73462510246
oct1071663755
9342073136
10149383149
1177360853
12420406b9
1324c441c6
1415ba7ccd
15d1aba19
hex8e767ed

149383149 has 16 divisors (see below), whose sum is σ = 209940480. Its totient is φ = 94221360.

The previous prime is 149383109. The next prime is 149383177. The reversal of 149383149 is 941383941.

It is not a de Polignac number, because 149383149 - 212 = 149379053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149383149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149383109) 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, 60754 + ... + 63164.

It is an arithmetic number, because the mean of its divisors is an integer number (13121280).

Almost surely, 2149383149 is an apocalyptic number.

149383149 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

149383149 is a deficient number, since it is larger than the sum of its proper divisors (60557331).

149383149 is a wasteful number, since it uses less digits than its factorization.

149383149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3520.

The product of its digits is 93312, while the sum is 42.

The square root of 149383149 is about 12222.2399338256. The cubic root of 149383149 is about 530.5999483595.

The spelling of 149383149 in words is "one hundred forty-nine million, three hundred eighty-three thousand, one hundred forty-nine".

Divisors: 1 3 19 57 1087 2411 3261 7233 20653 45809 61959 137427 2620757 7862271 49794383 149383149