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90414400 = 265256509
BaseRepresentation
bin1010110001110…
…01110101000000
320022010112020111
411120321311000
5141121230100
612545521104
72145336556
oct530716500
9208115214
1090414400
114704474a
1226343194
131596875b
14c017bd6
157e0e6ba
hex5639d40

90414400 has 42 divisors (see below), whose sum is σ = 222479870. Its totient is φ = 36165120.

The previous prime is 90414391. The next prime is 90414409. The reversal of 90414400 is 441409.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (90414391) and next prime (90414409).

It can be written as a sum of positive squares in 3 ways, for example, as 6801664 + 83612736 = 2608^2 + 9144^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90414409) 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, 26655 + ... + 29854.

Almost surely, 290414400 is an apocalyptic number.

It is an amenable number.

90414400 is an abundant number, since it is smaller than the sum of its proper divisors (132065470).

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

90414400 is a wasteful number, since it uses less digits than its factorization.

90414400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56531 (or 56516 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 90414400 is about 9508.6486947410. The cubic root of 90414400 is about 448.8272343225.

Adding to 90414400 its reverse (441409), we get a palindrome (90855809).

The spelling of 90414400 in words is "ninety million, four hundred fourteen thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 160 200 320 400 800 1600 56509 113018 226036 282545 452072 565090 904144 1130180 1412725 1808288 2260360 2825450 3616576 4520720 5650900 9041440 11301800 18082880 22603600 45207200 90414400