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9010801 = 31290671
BaseRepresentation
bin100010010111…
…111001110001
3121221210111101
4202113321301
54301321201
6521044401
7136406362
oct42277161
917853441
109010801
1150a4a48
123026701
131b36547
1412a7b69
15bced01
hex897e71

9010801 has 4 divisors (see below), whose sum is σ = 9301504. Its totient is φ = 8720100.

The previous prime is 9010787. The next prime is 9010829. The reversal of 9010801 is 1080109.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1080109 = 2115119.

It is a cyclic number.

It is not a de Polignac number, because 9010801 - 221 = 6913649 is a prime.

It is an Ulam number.

It is a Duffinian number.

9010801 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9010891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145305 + ... + 145366.

It is an arithmetic number, because the mean of its divisors is an integer number (2325376).

Almost surely, 29010801 is an apocalyptic number.

It is an amenable number.

9010801 is a deficient number, since it is larger than the sum of its proper divisors (290703).

9010801 is a wasteful number, since it uses less digits than its factorization.

9010801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290702.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 9010801 is about 3001.7996268905. The cubic root of 9010801 is about 208.0915600968.

The spelling of 9010801 in words is "nine million, ten thousand, eight hundred one".

Divisors: 1 31 290671 9010801