Search a number
-
+
155424106 = 277712053
BaseRepresentation
bin10010100001110…
…01010101101010
3101211110100210101
421100321111222
5304242032411
623231140014
73565040335
oct1120712552
9354410711
10155424106
117a807482
124407460a
132627aa36
14168db61c
15d9a18c1
hex943956a

155424106 has 4 divisors (see below), whose sum is σ = 233136162. Its totient is φ = 77712052.

The previous prime is 155424103. The next prime is 155424107. The reversal of 155424106 is 601424551.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 153884025 + 1540081 = 12405^2 + 1241^2 .

It is not an unprimeable number, because it can be changed into a prime (155424103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38856025 + ... + 38856028.

Almost surely, 2155424106 is an apocalyptic number.

155424106 is a deficient number, since it is larger than the sum of its proper divisors (77712056).

155424106 is an equidigital number, since it uses as much as digits as its factorization.

155424106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77712055.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 155424106 is about 12466.9204697872. The cubic root of 155424106 is about 537.6580170706.

Adding to 155424106 its reverse (601424551), we get a palindrome (756848657).

The spelling of 155424106 in words is "one hundred fifty-five million, four hundred twenty-four thousand, one hundred six".

Divisors: 1 2 77712053 155424106