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405419741 = 3191127051
BaseRepresentation
bin11000001010100…
…011011011011101
31001020212110022222
4120022203123131
51312241412431
6104121315125
713022003516
oct3012433335
91036773288
10405419741
11198937941
12b3935aa5
1365cbb44c
143bbb5a0d
15258d457b
hex182a36dd

405419741 has 4 divisors (see below), whose sum is σ = 405549984. Its totient is φ = 405289500.

The previous prime is 405419731. The next prime is 405419743. The reversal of 405419741 is 147914504.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-405419741 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405419743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60335 + ... + 66716.

It is an arithmetic number, because the mean of its divisors is an integer number (101387496).

Almost surely, 2405419741 is an apocalyptic number.

It is an amenable number.

405419741 is a deficient number, since it is larger than the sum of its proper divisors (130243).

405419741 is a wasteful number, since it uses less digits than its factorization.

405419741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130242.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 405419741 is about 20135.0376458550. The cubic root of 405419741 is about 740.1191316601.

The spelling of 405419741 in words is "four hundred five million, four hundred nineteen thousand, seven hundred forty-one".

Divisors: 1 3191 127051 405419741