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448028642 = 21713177313
BaseRepresentation
bin11010101101000…
…101111111100010
31011020001012202102
4122231011333202
51404143404032
6112242450402
714050115645
oct3255057742
91136035672
10448028642
1120a99a606
12106063a02
1371a89609
1443707a5c
15294ee362
hex1ab45fe2

448028642 has 8 divisors (see below), whose sum is σ = 711574956. Its totient is φ = 210836992.

The previous prime is 448028611. The next prime is 448028677. The reversal of 448028642 is 246820844.

It can be written as a sum of positive squares in 2 ways, for example, as 414977641 + 33051001 = 20371^2 + 5749^2 .

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 = 448028596 and 448028605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6588623 + ... + 6588690.

Almost surely, 2448028642 is an apocalyptic number.

448028642 is a deficient number, since it is larger than the sum of its proper divisors (263546314).

448028642 is a wasteful number, since it uses less digits than its factorization.

448028642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13177332.

The product of its (nonzero) digits is 98304, while the sum is 38.

The square root of 448028642 is about 21166.6870813550. The cubic root of 448028642 is about 765.1887793611.

The spelling of 448028642 in words is "four hundred forty-eight million, twenty-eight thousand, six hundred forty-two".

Divisors: 1 2 17 34 13177313 26354626 224014321 448028642