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406195801 = 11237920323
BaseRepresentation
bin11000001101100…
…000111001011001
31001022022212212221
4120031200321121
51312441231201
6104150104041
713031415214
oct3015407131
91038285787
10406195801
11199317a10
12b404b021
136620075b
143bd3877b
15259d94a1
hex18360e59

406195801 has 16 divisors (see below), whose sum is σ = 468264960. Its totient is φ = 348725520.

The previous prime is 406195793. The next prime is 406195817. The reversal of 406195801 is 108591604.

It is not a de Polignac number, because 406195801 - 23 = 406195793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406195831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9826 + ... + 30148.

It is an arithmetic number, because the mean of its divisors is an integer number (29266560).

Almost surely, 2406195801 is an apocalyptic number.

It is an amenable number.

406195801 is a deficient number, since it is larger than the sum of its proper divisors (62069159).

406195801 is a wasteful number, since it uses less digits than its factorization.

406195801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20436.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 406195801 is about 20154.2998141836. The cubic root of 406195801 is about 740.5910793654.

The spelling of 406195801 in words is "four hundred six million, one hundred ninety-five thousand, eight hundred one".

Divisors: 1 11 23 79 253 869 1817 19987 20323 223553 467429 1605517 5141719 17660687 36926891 406195801