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1930248001 = 11792221229
BaseRepresentation
bin111001100001101…
…0011111101000001
311222112002202110201
41303003103331001
512423120414001
6515311525201
765555560123
oct16303237501
94875082421
101930248001
11900635990
1245a529801
13249b946a6
141444dd213
15b46d5501
hex730d3f41

1930248001 has 8 divisors (see below), whose sum is σ = 2132380800. Its totient is φ = 1732557840.

The previous prime is 1930247993. The next prime is 1930248011. The reversal of 1930248001 is 1008420391.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1930248001 - 23 = 1930247993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1930248011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1109746 + ... + 1111483.

It is an arithmetic number, because the mean of its divisors is an integer number (266547600).

Almost surely, 21930248001 is an apocalyptic number.

1930248001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1930248001 is a deficient number, since it is larger than the sum of its proper divisors (202132799).

1930248001 is a wasteful number, since it uses less digits than its factorization.

1930248001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221319.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1930248001 is about 43934.5877527035. The cubic root of 1930248001 is about 1245.1003937258.

Adding to 1930248001 its reverse (1008420391), we get a palindrome (2938668392).

The spelling of 1930248001 in words is "one billion, nine hundred thirty million, two hundred forty-eight thousand, one".

Divisors: 1 11 79 869 2221229 24433519 175477091 1930248001