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84994400 = 2552106243
BaseRepresentation
bin1010001000011…
…10100101100000
312220221011101202
411010032211200
5133224310100
612233420332
72051304041
oct504164540
9186834352
1084994400
1143a82607
122456a6a8
13147bb75a
14b4068c8
1576dd7d5
hex510e960

84994400 has 36 divisors (see below), whose sum is σ = 207494532. Its totient is φ = 33997440.

The previous prime is 84994379. The next prime is 84994409. The reversal of 84994400 is 449948.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84994409) 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, 52322 + ... + 53921.

It is an arithmetic number, because the mean of its divisors is an integer number (5763737).

Almost surely, 284994400 is an apocalyptic number.

84994400 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84994400 is an abundant number, since it is smaller than the sum of its proper divisors (122500132).

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

84994400 is a wasteful number, since it uses less digits than its factorization.

84994400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106263 (or 106250 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 84994400 is about 9219.2407496496. The cubic root of 84994400 is about 439.6733112210.

The spelling of 84994400 in words is "eighty-four million, nine hundred ninety-four thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 106243 212486 424972 531215 849944 1062430 1699888 2124860 2656075 3399776 4249720 5312150 8499440 10624300 16998880 21248600 42497200 84994400