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54928229 = 163336983
BaseRepresentation
bin1101000110001…
…0001101100101
310211100122100212
43101202031211
5103030200404
65241145205
71234611416
oct321421545
9124318325
1054928229
1129007434
121648b205
13b4c2615
14741b80d
154c5006e
hex3462365

54928229 has 4 divisors (see below), whose sum is σ = 55265376. Its totient is φ = 54591084.

The previous prime is 54928217. The next prime is 54928231. The reversal of 54928229 is 92282945.

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 not a de Polignac number, because 54928229 - 28 = 54927973 is a prime.

It is a super-2 number, since 2×549282292 = 6034220682152882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54928529) 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, 168329 + ... + 168654.

It is an arithmetic number, because the mean of its divisors is an integer number (13816344).

Almost surely, 254928229 is an apocalyptic number.

It is an amenable number.

54928229 is a deficient number, since it is larger than the sum of its proper divisors (337147).

54928229 is a wasteful number, since it uses less digits than its factorization.

54928229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337146.

The product of its digits is 103680, while the sum is 41.

The square root of 54928229 is about 7411.3581076615. The cubic root of 54928229 is about 380.1297548578.

The spelling of 54928229 in words is "fifty-four million, nine hundred twenty-eight thousand, two hundred twenty-nine".

Divisors: 1 163 336983 54928229