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228492150 = 23521523281
BaseRepresentation
bin11011001111010…
…00001101110110
3120220221121022020
431213220031312
5431443222100
634401214010
75443102605
oct1547501566
9526847266
10228492150
11107a83597
1264631306
1338451b73
14224bba3c
15150d65a0
hexd9e8376

228492150 has 24 divisors (see below), whose sum is σ = 566660904. Its totient is φ = 60931200.

The previous prime is 228492109. The next prime is 228492161. The reversal of 228492150 is 51294822.

It is a super-2 number, since 2×2284921502 = 104417325223245000, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 761491 + ... + 761790.

It is an arithmetic number, because the mean of its divisors is an integer number (23610871).

Almost surely, 2228492150 is an apocalyptic number.

228492150 is an abundant number, since it is smaller than the sum of its proper divisors (338168754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228492150 is a wasteful number, since it uses less digits than its factorization.

228492150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523296 (or 1523291 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 228492150 is about 15115.9568006792. The cubic root of 228492150 is about 611.3507200591.

The spelling of 228492150 in words is "two hundred twenty-eight million, four hundred ninety-two thousand, one hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 1523281 3046562 4569843 7616405 9139686 15232810 22849215 38082025 45698430 76164050 114246075 228492150