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228036461 = 1914838093
BaseRepresentation
bin11011001011110…
…00111101101101
3120220002110012212
431211320331231
5431334131321
634343340205
75436164222
oct1545707555
9526073185
10228036461
111077a2194
1264451665
1338322623
14223dd949
151504655b
hexd978f6d

228036461 has 8 divisors (see below), whose sum is σ = 240229920. Its totient is φ = 215862192.

The previous prime is 228036449. The next prime is 228036469. The reversal of 228036461 is 164630822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 228036461 - 26 = 228036397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228036469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24131 + ... + 32223.

It is an arithmetic number, because the mean of its divisors is an integer number (30028740).

Almost surely, 2228036461 is an apocalyptic number.

It is an amenable number.

228036461 is a deficient number, since it is larger than the sum of its proper divisors (12193459).

228036461 is a wasteful number, since it uses less digits than its factorization.

228036461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9595.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 228036461 is about 15100.8761666335. The cubic root of 228036461 is about 610.9440376688.

The spelling of 228036461 in words is "two hundred twenty-eight million, thirty-six thousand, four hundred sixty-one".

Divisors: 1 19 1483 8093 28177 153767 12001919 228036461