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427741000 = 2353521821
BaseRepresentation
bin11001011111101…
…100111101001000
31002210212111100021
4121133230331020
51334000203000
6110235550224
713412511211
oct3137547510
91083774307
10427741000
111aa4a3165
12bb2bb374
136a8052ab
1440b46408
152784311a
hex197ecf48

427741000 has 64 divisors (see below), whose sum is σ = 1004056560. Its totient is φ = 170560000.

The previous prime is 427740949. The next prime is 427741021. The reversal of 427741000 is 147724.

It can be written as a sum of positive squares in 8 ways, for example, as 988036 + 426752964 = 994^2 + 20658^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

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 15 ways as a sum of consecutive naturals, for example, 520590 + ... + 521410.

Almost surely, 2427741000 is an apocalyptic number.

427741000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427741000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (502028280).

427741000 is an abundant number, since it is smaller than the sum of its proper divisors (576315560).

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

427741000 is a wasteful number, since it uses less digits than its factorization.

427741000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363 (or 1349 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 427741000 is about 20681.9002995373. The cubic root of 427741000 is about 753.4601599890.

Adding to 427741000 its reverse (147724), we get a palindrome (427888724).

The spelling of 427741000 in words is "four hundred twenty-seven million, seven hundred forty-one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 521 821 1000 1042 1642 2084 2605 3284 4105 4168 5210 6568 8210 10420 13025 16420 20525 20840 26050 32840 41050 52100 65125 82100 102625 104200 130250 164200 205250 260500 410500 427741 521000 821000 855482 1710964 2138705 3421928 4277410 8554820 10693525 17109640 21387050 42774100 53467625 85548200 106935250 213870500 427741000