Search a number
-
+
155315262 = 2325885877
BaseRepresentation
bin10010100000111…
…10110000111110
3101211020211111010
421100132300332
5304230042022
623224540050
73564105114
oct1120366076
9354224433
10155315262
117a742723
1244021626
132624032b
14168adab4
15d97e50c
hex941ec3e

155315262 has 8 divisors (see below), whose sum is σ = 310630536. Its totient is φ = 51771752.

The previous prime is 155315261. The next prime is 155315273. The reversal of 155315262 is 262513551.

It is a happy number.

155315262 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

155315262 is an admirable number.

It is a super-2 number, since 2×1553152622 = 48245661220257288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155315261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12942933 + ... + 12942944.

It is an arithmetic number, because the mean of its divisors is an integer number (38828817).

Almost surely, 2155315262 is an apocalyptic number.

155315262 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

155315262 is a wasteful number, since it uses less digits than its factorization.

155315262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25885882.

The product of its digits is 9000, while the sum is 30.

The square root of 155315262 is about 12462.5543930608. The cubic root of 155315262 is about 537.5324798833.

The spelling of 155315262 in words is "one hundred fifty-five million, three hundred fifteen thousand, two hundred sixty-two".

Divisors: 1 2 3 6 25885877 51771754 77657631 155315262