Search a number
-
+
155103051 = 3127940423
BaseRepresentation
bin10010011111010…
…10111101001011
3101210212001101110
421033222331023
5304201244201
623220221403
73562232325
oct1117527513
9353761343
10155103051
117a608244
1243b3a863
132619786c
1416856615
15d93b6d6
hex93eaf4b

155103051 has 8 divisors (see below), whose sum is σ = 206970880. Its totient is φ = 103318632.

The previous prime is 155103037. The next prime is 155103071. The reversal of 155103051 is 150301551.

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

It is not a de Polignac number, because 155103051 - 219 = 154578763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155103031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16375 + ... + 24048.

It is an arithmetic number, because the mean of its divisors is an integer number (25871360).

Almost surely, 2155103051 is an apocalyptic number.

155103051 is a deficient number, since it is larger than the sum of its proper divisors (51867829).

155103051 is a wasteful number, since it uses less digits than its factorization.

155103051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41705.

The product of its (nonzero) digits is 375, while the sum is 21.

The square root of 155103051 is about 12454.0375380838. The cubic root of 155103051 is about 537.2875537560.

The spelling of 155103051 in words is "one hundred fifty-five million, one hundred three thousand, fifty-one".

Divisors: 1 3 1279 3837 40423 121269 51701017 155103051