[go: up one dir, main page]

Search a number
-
+
103142132 = 2226995857
BaseRepresentation
bin1100010010111…
…01001011110100
321012002011101222
412021131023310
5202401022012
614122405512
72361456632
oct611351364
9235064358
10103142132
1153248235
122a660898
13184a3a62
14d9ac352
1590c5972
hex625d2f4

103142132 has 12 divisors (see below), whose sum is σ = 181171620. Its totient is φ = 51378816.

The previous prime is 103142131. The next prime is 103142141. The reversal of 103142132 is 231241301.

It can be written as a sum of positive squares in 2 ways, for example, as 7806436 + 95335696 = 2794^2 + 9764^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 103142132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103142131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46853 + ... + 49004.

It is an arithmetic number, because the mean of its divisors is an integer number (15097635).

Almost surely, 2103142132 is an apocalyptic number.

It is an amenable number.

103142132 is a deficient number, since it is larger than the sum of its proper divisors (78029488).

103142132 is a wasteful number, since it uses less digits than its factorization.

103142132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96130 (or 96128 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 103142132 is about 10155.8914921340. The cubic root of 103142132 is about 468.9703307427.

Adding to 103142132 its reverse (231241301), we get a palindrome (334383433).

The spelling of 103142132 in words is "one hundred three million, one hundred forty-two thousand, one hundred thirty-two".

Divisors: 1 2 4 269 538 1076 95857 191714 383428 25785533 51571066 103142132