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406631541 = 31321102607
BaseRepresentation
bin11000001111001…
…011010001110101
31001100011000121110
4120033023101311
51313044202131
6104203305233
713035211461
oct3017132165
91040130543
10406631541
11199595328
12b421b219
1366323ba4
143c00d4a1
1525a73646
hex183cb475

406631541 has 8 divisors (see below), whose sum is σ = 542591104. Its totient is φ = 270879840.

The previous prime is 406631531. The next prime is 406631543. The reversal of 406631541 is 145136604.

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

It is not a de Polignac number, because 406631541 - 210 = 406630517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 406631499 and 406631508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406631543) 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, 47341 + ... + 55266.

It is an arithmetic number, because the mean of its divisors is an integer number (67823888).

Almost surely, 2406631541 is an apocalyptic number.

It is an amenable number.

406631541 is a deficient number, since it is larger than the sum of its proper divisors (135959563).

406631541 is a wasteful number, since it uses less digits than its factorization.

406631541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103931.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 406631541 is about 20165.1070168249. The cubic root of 406631541 is about 740.8558037771.

The spelling of 406631541 in words is "four hundred six million, six hundred thirty-one thousand, five hundred forty-one".

Divisors: 1 3 1321 3963 102607 307821 135543847 406631541