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103240738 = 251620369
BaseRepresentation
bin1100010011101…
…01010000100010
321012021011200001
412021311100202
5202412200423
614124450214
72362350256
oct611652042
9235234601
10103240738
1153305327
122a6a996a
13185098c3
14d9d6266
1590e4cad
hex6275422

103240738 has 4 divisors (see below), whose sum is σ = 154861110. Its totient is φ = 51620368.

The previous prime is 103240733. The next prime is 103240741. The reversal of 103240738 is 837042301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 837042301 = 8310084847.

It can be written as a sum of positive squares in only one way, i.e., 68277169 + 34963569 = 8263^2 + 5913^2 .

It is not an unprimeable number, because it can be changed into a prime (103240733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25810183 + ... + 25810186.

Almost surely, 2103240738 is an apocalyptic number.

103240738 is a deficient number, since it is larger than the sum of its proper divisors (51620372).

103240738 is an equidigital number, since it uses as much as digits as its factorization.

103240738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51620371.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 103240738 is about 10160.7449530042. The cubic root of 103240738 is about 469.1197315706.

The spelling of 103240738 in words is "one hundred three million, two hundred forty thousand, seven hundred thirty-eight".

Divisors: 1 2 51620369 103240738