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103144244 = 2273683723
BaseRepresentation
bin1100010010111…
…01101100110100
321012002021022012
412021131230310
5202401103434
614122423352
72361466040
oct611355464
9235067265
10103144244
1153249885
122a661b58
13184a49c8
14d9ad020
1590c63ce
hex625db34

103144244 has 12 divisors (see below), whose sum is σ = 206288544. Its totient is φ = 44204664.

The previous prime is 103144243. The next prime is 103144247. The reversal of 103144244 is 442441301.

It is a happy number.

103144244 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103144241) 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, 1841834 + ... + 1841889.

It is an arithmetic number, because the mean of its divisors is an integer number (17190712).

Almost surely, 2103144244 is an apocalyptic number.

103144244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

103144244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

103144244 is a wasteful number, since it uses less digits than its factorization.

103144244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3683734 (or 3683732 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 103144244 is about 10155.9954706567. The cubic root of 103144244 is about 468.9735316932.

Adding to 103144244 its reverse (442441301), we get a palindrome (545585545).

The spelling of 103144244 in words is "one hundred three million, one hundred forty-four thousand, two hundred forty-four".

Divisors: 1 2 4 7 14 28 3683723 7367446 14734892 25786061 51572122 103144244