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30152 = 233769
BaseRepresentation
bin111010111001000
31112100202
413113020
51431102
6351332
7153623
oct72710
945322
1030152
1120721
1215548
1310955
14adba
158e02
hex75c8

30152 has 8 divisors (see below), whose sum is σ = 56550. Its totient is φ = 15072.

The previous prime is 30139. The next prime is 30161. The reversal of 30152 is 25103.

It can be written as a sum of positive squares in only one way, i.e., 21316 + 8836 = 146^2 + 94^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 30152.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1877 + ... + 1892.

230152 is an apocalyptic number.

It is an amenable number.

30152 is a deficient number, since it is larger than the sum of its proper divisors (26398).

30152 is a wasteful number, since it uses less digits than its factorization.

30152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3775 (or 3771 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 30152 is about 173.6433125692. The cubic root of 30152 is about 31.1247143837.

Adding to 30152 its reverse (25103), we get a palindrome (55255).

It can be divided in two parts, 301 and 52, that added together give a palindrome (353).

The spelling of 30152 in words is "thirty thousand, one hundred fifty-two".

Divisors: 1 2 4 8 3769 7538 15076 30152