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151530155 = 5713931147
BaseRepresentation
bin10010000100000…
…10101010101011
3101120010112021222
421002002222223
5302242431110
623011452255
73516661610
oct1102025253
9346115258
10151530155
1178597937
12428b708b
132551651a
14161a6507
15d482c55
hex9082aab

151530155 has 16 divisors (see below), whose sum is σ = 209314560. Its totient is φ = 103155552.

The previous prime is 151530107. The next prime is 151530157. The reversal of 151530155 is 551035151.

It is a cyclic number.

It is not a de Polignac number, because 151530155 - 26 = 151530091 is a prime.

It is a super-2 number, since 2×1515301552 = 45922775748648050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (151530157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10709 + ... + 20438.

It is an arithmetic number, because the mean of its divisors is an integer number (13082160).

Almost surely, 2151530155 is an apocalyptic number.

151530155 is a deficient number, since it is larger than the sum of its proper divisors (57784405).

151530155 is a wasteful number, since it uses less digits than its factorization.

151530155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31298.

The product of its (nonzero) digits is 1875, while the sum is 26.

The square root of 151530155 is about 12309.7585272823. The cubic root of 151530155 is about 533.1298783424.

The spelling of 151530155 in words is "one hundred fifty-one million, five hundred thirty thousand, one hundred fifty-five".

Divisors: 1 5 7 35 139 695 973 4865 31147 155735 218029 1090145 4329433 21647165 30306031 151530155