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141520330 = 2572288817
BaseRepresentation
bin10000110111101…
…10110111001010
3100212021222101201
420123312313022
5242212122310
622013134414
73335621500
oct1033666712
9325258351
10141520330
1172980356
123b48a40a
1323420353
1414b1c670
15c656e3a
hex86f6dca

141520330 has 24 divisors (see below), whose sum is σ = 296327268. Its totient is φ = 48521088.

The previous prime is 141520321. The next prime is 141520333. The reversal of 141520330 is 33025141.

It can be written as a sum of positive squares in 2 ways, for example, as 132917841 + 8602489 = 11529^2 + 2933^2 .

It is a junction number, because it is equal to n+sod(n) for n = 141520298 and 141520307.

It is not an unprimeable number, because it can be changed into a prime (141520333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143919 + ... + 144898.

Almost surely, 2141520330 is an apocalyptic number.

141520330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

141520330 is an abundant number, since it is smaller than the sum of its proper divisors (154806938).

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

141520330 is a wasteful number, since it uses less digits than its factorization.

141520330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288838 (or 288831 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 141520330 is about 11896.2317563168. The cubic root of 141520330 is about 521.1222434360.

Adding to 141520330 its reverse (33025141), we get a palindrome (174545471).

The spelling of 141520330 in words is "one hundred forty-one million, five hundred twenty thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 288817 577634 1444085 2021719 2888170 4043438 10108595 14152033 20217190 28304066 70760165 141520330