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74448130 = 257444813
BaseRepresentation
bin1000110111111…
…11110100000010
312012002100122011
410123333310002
5123024320010
611215403134
71562540641
oct433776402
9165070564
1074448130
1139029a89
1220b234aa
1312568363
149c5d358
156808a8a
hex46ffd02

74448130 has 8 divisors (see below), whose sum is σ = 134006652. Its totient is φ = 29779248.

The previous prime is 74448109. The next prime is 74448173. The reversal of 74448130 is 3184447.

It can be written as a sum of positive squares in 2 ways, for example, as 71622369 + 2825761 = 8463^2 + 1681^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 74448092 and 74448101.

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, 3722397 + ... + 3722416.

Almost surely, 274448130 is an apocalyptic number.

74448130 is a deficient number, since it is larger than the sum of its proper divisors (59558522).

74448130 is a wasteful number, since it uses less digits than its factorization.

74448130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7444820.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 74448130 is about 8628.3329792029. The cubic root of 74448130 is about 420.6794181011.

The spelling of 74448130 in words is "seventy-four million, four hundred forty-eight thousand, one hundred thirty".

Divisors: 1 2 5 10 7444813 14889626 37224065 74448130