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226893969 = 3250212
BaseRepresentation
bin11011000011000…
…10000010010001
3120210221102000100
431201202002101
5431041101334
634303043013
75423365311
oct1541420221
9523842010
10226893969
11107091885
1263ba0469
13380125b3
14221c3441
1514dbcc99
hexd862091

226893969 has 9 divisors (see below), whose sum is σ = 327801019. Its totient is φ = 151232520.

The previous prime is 226893967. The next prime is 226893971. The reversal of 226893969 is 969398622.

The square root of 226893969 is 15063.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (226893967) and next prime (226893971).

It can be written as a sum of positive squares in only one way, i.e., 205549569 + 21344400 = 14337^2 + 4620^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 226893969 - 21 = 226893967 is a prime.

It is a super-2 number, since 2×2268939692 = 102961746337145922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226893967) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 42679 + ... + 47699.

Almost surely, 2226893969 is an apocalyptic number.

226893969 is the 15063-rd square number.

226893969 is the 7532-nd centered octagonal number.

It is an amenable number.

226893969 is a deficient number, since it is larger than the sum of its proper divisors (100907050).

226893969 is an frugal number, since it uses more digits than its factorization.

226893969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10048 (or 5024 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 54.

The cubic root of 226893969 is about 609.9220262243.

The spelling of 226893969 in words is "two hundred twenty-six million, eight hundred ninety-three thousand, nine hundred sixty-nine".

Divisors: 1 3 9 5021 15063 45189 25210441 75631323 226893969