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28467450 = 236521171
BaseRepresentation
bin110110010011…
…0000011111010
31222120022000000
41230212003322
524241424300
62454053430
7463653324
oct154460372
958508000
1028467450
1115084020
12964a276
135b8955b
143ad0614
152774c00
hex1b260fa

28467450 has 168 divisors, whose sum is σ = 87824736. Its totient is φ = 6804000.

The previous prime is 28467437. The next prime is 28467497. The reversal of 28467450 is 5476482.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 400915 + ... + 400985.

Almost surely, 228467450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28467450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43912368).

28467450 is an abundant number, since it is smaller than the sum of its proper divisors (59357286).

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

28467450 is a wasteful number, since it uses less digits than its factorization.

28467450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 28467450 is about 5335.4896682498. The cubic root of 28467450 is about 305.3394053805.

It can be divided in two parts, 2846 and 7450, that added together give a triangular number (10296 = T143).

The spelling of 28467450 in words is "twenty-eight million, four hundred sixty-seven thousand, four hundred fifty".