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155132130 = 2355171071
BaseRepresentation
bin10010011111100…
…10000011100010
3101210220112021110
421033302003202
5304203212010
623221004150
73562413156
oct1117620342
9353815243
10155132130
117a62807a
1243b53656
13261a7b7a
1416863066
15d945120
hex93f20e2

155132130 has 16 divisors (see below), whose sum is σ = 372317184. Its totient is φ = 41368560.

The previous prime is 155132129. The next prime is 155132137. The reversal of 155132130 is 31231551.

It is a junction number, because it is equal to n+sod(n) for n = 155132097 and 155132106.

It is not an unprimeable number, because it can be changed into a prime (155132137) 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, 2585506 + ... + 2585565.

It is an arithmetic number, because the mean of its divisors is an integer number (23269824).

Almost surely, 2155132130 is an apocalyptic number.

155132130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155132130 is an abundant number, since it is smaller than the sum of its proper divisors (217185054).

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

155132130 is a wasteful number, since it uses less digits than its factorization.

155132130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5171081.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 155132130 is about 12455.2049360900. The cubic root of 155132130 is about 537.3211288714.

Adding to 155132130 its reverse (31231551), we get a palindrome (186363681).

The spelling of 155132130 in words is "one hundred fifty-five million, one hundred thirty-two thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 5171071 10342142 15513213 25855355 31026426 51710710 77566065 155132130