Search a number
-
+
155402114 = 2713781023
BaseRepresentation
bin10010100001100…
…11111110000010
3101211102020121212
421100303332002
5304240331424
623230450122
73564616250
oct1120637602
9354366555
10155402114
117a7a19aa
1244063942
1326270a1a
14168d35d0
15d99a10e
hex9433f82

155402114 has 16 divisors (see below), whose sum is σ = 268351488. Its totient is φ = 66113952.

The previous prime is 155402111. The next prime is 155402131. The reversal of 155402114 is 411204551.

It is a self number, because there is not a number n which added to its sum of digits gives 155402114.

It is not an unprimeable number, because it can be changed into a prime (155402111) 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 in 7 ways as a sum of consecutive naturals, for example, 38594 + ... + 42429.

It is an arithmetic number, because the mean of its divisors is an integer number (16771968).

Almost surely, 2155402114 is an apocalyptic number.

155402114 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

155402114 is a deficient number, since it is larger than the sum of its proper divisors (112949374).

155402114 is a wasteful number, since it uses less digits than its factorization.

155402114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81169.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 155402114 is about 12466.0384244555. The cubic root of 155402114 is about 537.6326569272.

Adding to 155402114 its reverse (411204551), we get a palindrome (566606665).

The spelling of 155402114 in words is "one hundred fifty-five million, four hundred two thousand, one hundred fourteen".

Divisors: 1 2 7 14 137 274 959 1918 81023 162046 567161 1134322 11100151 22200302 77701057 155402114