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1933420241 = 7127231271
BaseRepresentation
bin111001100111101…
…1010011011010001
311222202001220222002
41303033122123101
512424423421431
6515503523345
765624541464
oct16317323321
94882056862
101933420241
11902402275
1245b5b9555
1324a73555c
14144ac72db
15b4b103cb
hex733da6d1

1933420241 has 4 divisors (see below), whose sum is σ = 1960651584. Its totient is φ = 1906188900.

The previous prime is 1933420133. The next prime is 1933420243. The reversal of 1933420241 is 1420243391.

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 a de Polignac number, because none of the positive numbers 2k-1933420241 is a prime.

It is a super-2 number, since 2×19334202412 = 7476227656616996162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1933420243) 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, 13615565 + ... + 13615706.

It is an arithmetic number, because the mean of its divisors is an integer number (490162896).

Almost surely, 21933420241 is an apocalyptic number.

It is an amenable number.

1933420241 is a deficient number, since it is larger than the sum of its proper divisors (27231343).

1933420241 is an equidigital number, since it uses as much as digits as its factorization.

1933420241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27231342.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 1933420241 is about 43970.6747844515. The cubic root of 1933420241 is about 1245.7821015545.

The spelling of 1933420241 in words is "one billion, nine hundred thirty-three million, four hundred twenty thousand, two hundred forty-one".

Divisors: 1 71 27231271 1933420241