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408472426 = 2227899719
BaseRepresentation
bin11000010110001…
…100101101101010
31001110121112211101
4120112030231222
51314032104201
6104310552014
713056646465
oct3026145552
91043545741
10408472426
1119a63241a
12b496860a
1366819a7b
143c36c2dc
1525cd8d01
hex1858cb6a

408472426 has 8 divisors (see below), whose sum is σ = 615408480. Its totient is φ = 203336268.

The previous prime is 408472417. The next prime is 408472429. The reversal of 408472426 is 624274804.

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

It is not an unprimeable number, because it can be changed into a prime (408472429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449406 + ... + 450313.

It is an arithmetic number, because the mean of its divisors is an integer number (76926060).

Almost surely, 2408472426 is an apocalyptic number.

408472426 is a deficient number, since it is larger than the sum of its proper divisors (206936054).

408472426 is a wasteful number, since it uses less digits than its factorization.

408472426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899948.

The product of its (nonzero) digits is 86016, while the sum is 37.

The square root of 408472426 is about 20210.7007795376. The cubic root of 408472426 is about 741.9721111858.

The spelling of 408472426 in words is "four hundred eight million, four hundred seventy-two thousand, four hundred twenty-six".

Divisors: 1 2 227 454 899719 1799438 204236213 408472426