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407427943 = 13277113143
BaseRepresentation
bin11000010010001…
…101101101100111
31001101122111001211
4120102031231213
51313300143233
6104232332251
713045036366
oct3022155547
91041574054
10407427943
11199a8970a
12b4544087
1366542530
143c1797dd
1525b7e5cd
hex1848db67

407427943 has 8 divisors (see below), whose sum is σ = 440356448. Its totient is φ = 374726304.

The previous prime is 407427919. The next prime is 407427953. The reversal of 407427943 is 349724704.

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

It is a cyclic number.

It is not a de Polignac number, because 407427943 - 213 = 407419751 is a prime.

It is a super-2 number, since 2×4074279432 = 331995057474422498, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 407427896 and 407427905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407427953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52971 + ... + 60172.

It is an arithmetic number, because the mean of its divisors is an integer number (55044556).

Almost surely, 2407427943 is an apocalyptic number.

407427943 is a deficient number, since it is larger than the sum of its proper divisors (32928505).

407427943 is a wasteful number, since it uses less digits than its factorization.

407427943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113433.

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 407427943 is about 20184.8443887982. The cubic root of 407427943 is about 741.3391523060.

The spelling of 407427943 in words is "four hundred seven million, four hundred twenty-seven thousand, nine hundred forty-three".

Divisors: 1 13 277 3601 113143 1470859 31340611 407427943