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48123001 = 347138683
BaseRepresentation
bin1011011110010…
…0110001111001
310100112220100101
42313210301321
544304414001
64435235401
71123016203
oct267446171
9110486311
1048123001
1125189583
1214148b61
139c7bc64
146569773
154358a01
hex2de4c79

48123001 has 4 divisors (see below), whose sum is σ = 48262032. Its totient is φ = 47983972.

The previous prime is 48122999. The next prime is 48123017. The reversal of 48123001 is 10032184.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 48123001 - 21 = 48122999 is a prime.

It is a super-3 number, since 3×481230013 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 48123001.

It is not an unprimeable number, because it can be changed into a prime (48123041) 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, 68995 + ... + 69688.

It is an arithmetic number, because the mean of its divisors is an integer number (12065508).

Almost surely, 248123001 is an apocalyptic number.

It is an amenable number.

48123001 is a deficient number, since it is larger than the sum of its proper divisors (139031).

48123001 is a wasteful number, since it uses less digits than its factorization.

48123001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139030.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 48123001 is about 6937.0743833406. The cubic root of 48123001 is about 363.7342810762.

Adding to 48123001 its reverse (10032184), we get a palindrome (58155185).

The spelling of 48123001 in words is "forty-eight million, one hundred twenty-three thousand, one".

Divisors: 1 347 138683 48123001