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405013241 = 4717349811
BaseRepresentation
bin11000001001000…
…000001011111001
31001020002210201102
4120021000023321
51312140410431
6104104501145
713015361423
oct3011001371
91036083642
10405013241
1119868a496
12b377a7b5
1365ba8409
143bb0b813
1525853dcb
hex182402f9

405013241 has 8 divisors (see below), whose sum is σ = 416029824. Its totient is φ = 394096720.

The previous prime is 405013223. The next prime is 405013247. The reversal of 405013241 is 142310504.

405013241 = T2326 + T2327 + ... + T2466.

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 405013241 - 210 = 405012217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (405013247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16775 + ... + 33036.

It is an arithmetic number, because the mean of its divisors is an integer number (52003728).

Almost surely, 2405013241 is an apocalyptic number.

It is an amenable number.

405013241 is a deficient number, since it is larger than the sum of its proper divisors (11016583).

405013241 is a wasteful number, since it uses less digits than its factorization.

405013241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50031.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 405013241 is about 20124.9407700992. The cubic root of 405013241 is about 739.8716852024.

Adding to 405013241 its reverse (142310504), we get a palindrome (547323745).

The spelling of 405013241 in words is "four hundred five million, thirteen thousand, two hundred forty-one".

Divisors: 1 47 173 8131 49811 2341117 8617303 405013241