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226153121 = 1423158927
BaseRepresentation
bin11010111101011…
…01001010100001
3120202112202202112
431132231022201
5430343344441
634235125105
75414161355
oct1536551241
9522482675
10226153121
11106726207
12638a3795
1337b1331c
142206d465
1514cc34eb
hexd7ad2a1

226153121 has 4 divisors (see below), whose sum is σ = 226313472. Its totient is φ = 225992772.

The previous prime is 226153099. The next prime is 226153157. The reversal of 226153121 is 121351622.

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-226153121 is a prime.

It is a super-2 number, since 2×2261531212 = 102290468276081282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226150121) 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, 78041 + ... + 80886.

It is an arithmetic number, because the mean of its divisors is an integer number (56578368).

Almost surely, 2226153121 is an apocalyptic number.

It is an amenable number.

226153121 is a deficient number, since it is larger than the sum of its proper divisors (160351).

226153121 is a wasteful number, since it uses less digits than its factorization.

226153121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160350.

The product of its digits is 720, while the sum is 23.

The square root of 226153121 is about 15038.3882447555. The cubic root of 226153121 is about 609.2574688114.

The spelling of 226153121 in words is "two hundred twenty-six million, one hundred fifty-three thousand, one hundred twenty-one".

Divisors: 1 1423 158927 226153121