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74419090 = 257441909
BaseRepresentation
bin1000110111110…
…00101110010010
312012000212210121
410123320232102
5123022402330
611215020454
71562360164
oct433705622
9165025717
1074419090
113900a189
1220b0a72a
1312558085
149c52934
15680017a
hex46f8b92

74419090 has 8 divisors (see below), whose sum is σ = 133954380. Its totient is φ = 29767632.

The previous prime is 74419087. The next prime is 74419109. The reversal of 74419090 is 9091447.

It can be written as a sum of positive squares in 2 ways, for example, as 72267001 + 2152089 = 8501^2 + 1467^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3720945 + ... + 3720964.

Almost surely, 274419090 is an apocalyptic number.

74419090 is a deficient number, since it is larger than the sum of its proper divisors (59535290).

74419090 is a wasteful number, since it uses less digits than its factorization.

74419090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7441916.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 74419090 is about 8626.6499871039. The cubic root of 74419090 is about 420.6247128135.

The spelling of 74419090 in words is "seventy-four million, four hundred nineteen thousand, ninety".

Divisors: 1 2 5 10 7441909 14883818 37209545 74419090