Search a number
-
+
103144236 = 2231317192389
BaseRepresentation
bin1100010010111…
…01101100101100
321012002021021220
412021131230230
5202401103421
614122423340
72361466026
oct611355454
9235067256
10103144236
1153249878
122a661b50
13184a49c0
14d9ad016
1590c63c6
hex625db2c

103144236 has 192 divisors, whose sum is σ = 304819200. Its totient is φ = 26763264.

The previous prime is 103144211. The next prime is 103144241. The reversal of 103144236 is 632441301.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1158880 + ... + 1158968.

It is an arithmetic number, because the mean of its divisors is an integer number (1587600).

Almost surely, 2103144236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103144236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152409600).

103144236 is an abundant number, since it is smaller than the sum of its proper divisors (201674964).

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

103144236 is a wasteful number, since it uses less digits than its factorization.

103144236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 103144236 is about 10155.9950768007. The cubic root of 103144236 is about 468.9735195685.

Adding to 103144236 its reverse (632441301), we get a palindrome (735585537).

The spelling of 103144236 in words is "one hundred three million, one hundred forty-four thousand, two hundred thirty-six".