Search a number
-
+
151223055 = 3510397879
BaseRepresentation
bin10010000001101…
…11101100001111
3101112112221000220
421000313230033
5302203114210
623001122423
73514242354
oct1100675417
9345487026
10151223055
11783a8135
1242789413
13254397c9
141612662b
15d421c70
hex9037b0f

151223055 has 16 divisors (see below), whose sum is σ = 244308480. Its totient is φ = 79868448.

The previous prime is 151223029. The next prime is 151223063. The reversal of 151223055 is 550322151.

It is a happy number.

151223055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 151223055 - 27 = 151222927 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47395 + ... + 50484.

It is an arithmetic number, because the mean of its divisors is an integer number (15269280).

Almost surely, 2151223055 is an apocalyptic number.

151223055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

151223055 is a deficient number, since it is larger than the sum of its proper divisors (93085425).

151223055 is a wasteful number, since it uses less digits than its factorization.

151223055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97990.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 151223055 is about 12297.2783574253. The cubic root of 151223055 is about 532.7694772180.

The spelling of 151223055 in words is "one hundred fifty-one million, two hundred twenty-three thousand, fifty-five".

Divisors: 1 3 5 15 103 309 515 1545 97879 293637 489395 1468185 10081537 30244611 50407685 151223055