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9028901 = 72116113
BaseRepresentation
bin100010011100…
…010100100101
3121222201022202
4202130110211
54302411101
6521304245
7136513220
oct42342445
917881282
109028901
115107602
123035085
131b4185b
1412b05b7
15bd536b
hex89c525

9028901 has 8 divisors (see below), whose sum is σ = 10369344. Its totient is φ = 7701120.

The previous prime is 9028891. The next prime is 9028919. The reversal of 9028901 is 1098209.

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

It is not a de Polignac number, because 9028901 - 210 = 9027877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9028931) 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, 1580 + ... + 4533.

It is an arithmetic number, because the mean of its divisors is an integer number (1296168).

Almost surely, 29028901 is an apocalyptic number.

It is an amenable number.

9028901 is a deficient number, since it is larger than the sum of its proper divisors (1340443).

9028901 is a wasteful number, since it uses less digits than its factorization.

9028901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6331.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 9028901 is about 3004.8129725492. The cubic root of 9028901 is about 208.2307981125.

The spelling of 9028901 in words is "nine million, twenty-eight thousand, nine hundred one".

Divisors: 1 7 211 1477 6113 42791 1289843 9028901