Search a number
-
+
155020150 = 25231103971
BaseRepresentation
bin10010011110101…
…10101101110110
3101210200211200001
421033112231312
5304141121100
623214341514
73561435535
oct1117265566
9353624601
10155020150
117a560a2a
1243aba89a
1326168bcc
141683431c
15d921d6a
hex93d6b76

155020150 has 48 divisors (see below), whose sum is σ = 300837888. Its totient is φ = 59364000.

The previous prime is 155020141. The next prime is 155020157. The reversal of 155020150 is 51020551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155020157) 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 23 ways as a sum of consecutive naturals, for example, 159165 + ... + 160135.

It is an arithmetic number, because the mean of its divisors is an integer number (6267456).

Almost surely, 2155020150 is an apocalyptic number.

155020150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155020150 is a deficient number, since it is larger than the sum of its proper divisors (145817738).

155020150 is a wasteful number, since it uses less digits than its factorization.

155020150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117 (or 1112 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 155020150 is about 12450.7088151639. The cubic root of 155020150 is about 537.1918117891.

The spelling of 155020150 in words is "one hundred fifty-five million, twenty thousand, one hundred fifty".

Divisors: 1 2 5 10 25 31 50 62 103 155 206 310 515 775 971 1030 1550 1942 2575 3193 4855 5150 6386 9710 15965 24275 30101 31930 48550 60202 79825 100013 150505 159650 200026 301010 500065 752525 1000130 1505050 2500325 3100403 5000650 6200806 15502015 31004030 77510075 155020150