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407405323 = 13172108439
BaseRepresentation
bin11000010010001…
…000001100001011
31001101121100001001
4120102020030023
51313243432243
6104232035431
713044613423
oct3022101413
91041540031
10407405323
11199a73716
12b4532b77
1366535150
143c171483
1525b77a4d
hex1848830b

407405323 has 12 divisors (see below), whose sum is σ = 466075120. Its totient is φ = 353941632.

The previous prime is 407405303. The next prime is 407405347. The reversal of 407405323 is 323504704.

It is not a de Polignac number, because 407405323 - 217 = 407274251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 407405291 and 407405300.

It is not an unprimeable number, because it can be changed into a prime (407405303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50463 + ... + 57976.

Almost surely, 2407405323 is an apocalyptic number.

407405323 is a deficient number, since it is larger than the sum of its proper divisors (58669797).

407405323 is a wasteful number, since it uses less digits than its factorization.

407405323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108486 (or 108469 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 407405323 is about 20184.2840596341. The cubic root of 407405323 is about 741.3254325778.

The spelling of 407405323 in words is "four hundred seven million, four hundred five thousand, three hundred twenty-three".

Divisors: 1 13 17 221 289 3757 108439 1409707 1843463 23965019 31338871 407405323