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9010901 = 175373137
BaseRepresentation
bin100010010111…
…111011010101
3121221210122002
4202113323111
54301322101
6521045045
7136406564
oct42277325
917853562
109010901
1150a5029
123026785
131b365c3
1412a7bdb
15bced6b
hex897ed5

9010901 has 16 divisors (see below), whose sum is σ = 9926064. Its totient is φ = 8146944.

The previous prime is 9010891. The next prime is 9010907. The reversal of 9010901 is 1090109.

It can be written as a sum of positive squares in 8 ways, for example, as 1002001 + 8008900 = 1001^2 + 2830^2 .

It is not a de Polignac number, because 9010901 - 222 = 4816597 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9010907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65705 + ... + 65841.

It is an arithmetic number, because the mean of its divisors is an integer number (620379).

Almost surely, 29010901 is an apocalyptic number.

It is an amenable number.

9010901 is a deficient number, since it is larger than the sum of its proper divisors (915163).

9010901 is a wasteful number, since it uses less digits than its factorization.

9010901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280.

The product of its (nonzero) digits is 81, while the sum is 20.

The square root of 9010901 is about 3001.8162835190. The cubic root of 9010901 is about 208.0923298796.

The spelling of 9010901 in words is "nine million, ten thousand, nine hundred one".

Divisors: 1 17 53 73 137 901 1241 2329 3869 7261 10001 65773 123437 170017 530053 9010901