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103672442 = 251836221
BaseRepresentation
bin1100010110111…
…10101001111010
321020002002212002
412023132221322
5203020004232
614142021002
72366126006
oct613365172
9236062762
10103672442
115357a705
122a877762
131862b253
14daa9706
15917cb62
hex62dea7a

103672442 has 4 divisors (see below), whose sum is σ = 155508666. Its totient is φ = 51836220.

The previous prime is 103672357. The next prime is 103672447. The reversal of 103672442 is 244276301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244276301 = 367665603.

It can be written as a sum of positive squares in only one way, i.e., 83521321 + 20151121 = 9139^2 + 4489^2 .

It is not an unprimeable number, because it can be changed into a prime (103672447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25918109 + ... + 25918112.

Almost surely, 2103672442 is an apocalyptic number.

103672442 is a deficient number, since it is larger than the sum of its proper divisors (51836224).

103672442 is an equidigital number, since it uses as much as digits as its factorization.

103672442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51836223.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 103672442 is about 10181.9665094715. The cubic root of 103672442 is about 469.7727013196.

The spelling of 103672442 in words is "one hundred three million, six hundred seventy-two thousand, four hundred forty-two".

Divisors: 1 2 51836221 103672442