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40794400 = 255250993
BaseRepresentation
bin1001101110011…
…1100100100000
32211202120101201
42123213210200
540420410100
64014210544
71003514053
oct233474440
984676351
1040794400
1121033489
12117b3a54
1385b42ca
1455bca9a
1538ac36a
hex26e7920

40794400 has 36 divisors (see below), whose sum is σ = 99591282. Its totient is φ = 16317440.

The previous prime is 40794379. The next prime is 40794427. The reversal of 40794400 is 449704.

It can be written as a sum of positive squares in 3 ways, for example, as 16548624 + 24245776 = 4068^2 + 4924^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24697 + ... + 26296.

Almost surely, 240794400 is an apocalyptic number.

40794400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40794400 is an abundant number, since it is smaller than the sum of its proper divisors (58796882).

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

40794400 is a wasteful number, since it uses less digits than its factorization.

40794400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51013 (or 51000 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 40794400 is about 6387.0493970221. The cubic root of 40794400 is about 344.2443729614.

The spelling of 40794400 in words is "forty million, seven 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 50993 101986 203972 254965 407944 509930 815888 1019860 1274825 1631776 2039720 2549650 4079440 5099300 8158880 10198600 20397200 40794400