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1444492 = 227232243
BaseRepresentation
bin101100000101010001100
32201101110201
411200222030
5332210432
650543244
715164230
oct5405214
92641421
101444492
118a72a5
12597b24
133b763a
142985c0
151d7ee7
hex160a8c

1444492 has 24 divisors (see below), whose sum is σ = 3015936. Its totient is φ = 591888.

The previous prime is 1444489. The next prime is 1444493. The reversal of 1444492 is 2944441.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 1444492.

It is not an unprimeable number, because it can be changed into a prime (1444493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478 + ... + 1765.

It is an arithmetic number, because the mean of its divisors is an integer number (125664).

21444492 is an apocalyptic number.

It is an amenable number.

1444492 is an abundant number, since it is smaller than the sum of its proper divisors (1571444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1444492 is a wasteful number, since it uses less digits than its factorization.

1444492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2277 (or 2275 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 1444492 is about 1201.8702092988. The cubic root of 1444492 is about 113.0416219659.

It can be divided in two parts, 1444 and 492, that added together give a square (1936 = 442).

The spelling of 1444492 in words is "one million, four hundred forty-four thousand, four hundred ninety-two".

Divisors: 1 2 4 7 14 23 28 46 92 161 322 644 2243 4486 8972 15701 31402 51589 62804 103178 206356 361123 722246 1444492