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214857400 = 23521074287
BaseRepresentation
bin11001100111001…
…11011010111000
3112222021212221111
430303213122320
5420000414100
633153050104
75216154262
oct1463473270
9488255844
10214857400
111003105aa
125bb56934
1335689a74
142076cb32
1513ce16ba
hexcce76b8

214857400 has 24 divisors (see below), whose sum is σ = 499543920. Its totient is φ = 85942880.

The previous prime is 214857371. The next prime is 214857403. The reversal of 214857400 is 4758412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214857403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 536944 + ... + 537343.

It is an arithmetic number, because the mean of its divisors is an integer number (20814330).

Almost surely, 2214857400 is an apocalyptic number.

214857400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214857400 is an abundant number, since it is smaller than the sum of its proper divisors (284686520).

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

214857400 is a wasteful number, since it uses less digits than its factorization.

214857400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074303 (or 1074294 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 214857400 is about 14658.0148724171. The cubic root of 214857400 is about 598.9401660593.

The spelling of 214857400 in words is "two hundred fourteen million, eight hundred fifty-seven thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 1074287 2148574 4297148 5371435 8594296 10742870 21485740 26857175 42971480 53714350 107428700 214857400