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404229944 = 23172972279
BaseRepresentation
bin11000000110000…
…000111100111000
31001011122000020102
4120012000330320
51311440324234
6104040014532
713005616646
oct3006007470
91034560212
10404229944
111981a4a38
12b3461448
1365992a21
143b986196
152574bc7e
hex18180f38

404229944 has 16 divisors (see below), whose sum is σ = 802515600. Its totient is φ = 190225792.

The previous prime is 404229929. The next prime is 404229949. The reversal of 404229944 is 449922404.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 404229898 and 404229907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404229949) 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 3 ways as a sum of consecutive naturals, for example, 1486004 + ... + 1486275.

It is an arithmetic number, because the mean of its divisors is an integer number (50157225).

Almost surely, 2404229944 is an apocalyptic number.

It is an amenable number.

404229944 is a deficient number, since it is larger than the sum of its proper divisors (398285656).

404229944 is a wasteful number, since it uses less digits than its factorization.

404229944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2972302 (or 2972298 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 404229944 is about 20105.4704993442. The cubic root of 404229944 is about 739.3944059228.

The spelling of 404229944 in words is "four hundred four million, two hundred twenty-nine thousand, nine hundred forty-four".

Divisors: 1 2 4 8 17 34 68 136 2972279 5944558 11889116 23778232 50528743 101057486 202114972 404229944