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444465044 = 221011100161
BaseRepresentation
bin11010011111011…
…111111110010100
31010222100011102022
4122133133332110
51402240340134
6112034232312
714004614312
oct3237377624
91128304368
10444465044
11208986191
12104a25698
137110c58a
144305b0b2
152904852e
hex1a7dff94

444465044 has 12 divisors (see below), whose sum is σ = 785515668. Its totient is φ = 220032000.

The previous prime is 444465031. The next prime is 444465067. The reversal of 444465044 is 440564444.

It can be written as a sum of positive squares in 2 ways, for example, as 235315600 + 209149444 = 15340^2 + 14462^2 .

It is a junction number, because it is equal to n+sod(n) for n = 444464995 and 444465013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 549677 + ... + 550484.

It is an arithmetic number, because the mean of its divisors is an integer number (65459639).

Almost surely, 2444465044 is an apocalyptic number.

It is an amenable number.

444465044 is a deficient number, since it is larger than the sum of its proper divisors (341050624).

444465044 is a wasteful number, since it uses less digits than its factorization.

444465044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100266 (or 1100264 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 35.

The square root of 444465044 is about 21082.3396234858. The cubic root of 444465044 is about 763.1546184891.

The spelling of 444465044 in words is "four hundred forty-four million, four hundred sixty-five thousand, forty-four".

Divisors: 1 2 4 101 202 404 1100161 2200322 4400644 111116261 222232522 444465044