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1394772 = 223472473
BaseRepresentation
bin101010100100001010100
32121212021020
411110201110
5324113042
645521140
714566251
oct5244124
92555236
101394772
11872a05
125731b0
1339ab12
14284428
151c83ec
hex154854

1394772 has 24 divisors (see below), whose sum is σ = 3325056. Its totient is φ = 454848.

The previous prime is 1394753. The next prime is 1394777. The reversal of 1394772 is 2774931.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1394777) 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, 673 + ... + 1800.

It is an arithmetic number, because the mean of its divisors is an integer number (138544).

21394772 is an apocalyptic number.

1394772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1394772 is an abundant number, since it is smaller than the sum of its proper divisors (1930284).

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

1394772 is a wasteful number, since it uses less digits than its factorization.

1394772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2527 (or 2525 counting only the distinct ones).

The product of its digits is 10584, while the sum is 33.

The square root of 1394772 is about 1181.0046570611. The cubic root of 1394772 is about 111.7294703765.

The spelling of 1394772 in words is "one million, three hundred ninety-four thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 12 47 94 141 188 282 564 2473 4946 7419 9892 14838 29676 116231 232462 348693 464924 697386 1394772