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1379472 = 24329991
BaseRepresentation
bin101010000110010010000
32121002021120
411100302100
5323120342
645322240
714503533
oct5206220
92532246
101379472
11862466
12566380
13393b73
1427ca1a
151c3aec
hex150c90

1379472 has 40 divisors (see below), whose sum is σ = 3690240. Its totient is φ = 443520.

The previous prime is 1379467. The next prime is 1379473. The reversal of 1379472 is 2749731.

It is not an unprimeable number, because it can be changed into a prime (1379473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 897 + ... + 1887.

It is an arithmetic number, because the mean of its divisors is an integer number (92256).

21379472 is an apocalyptic number.

1379472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1379472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1845120).

1379472 is an abundant number, since it is smaller than the sum of its proper divisors (2310768).

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

1379472 is a wasteful number, since it uses less digits than its factorization.

1379472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031 (or 1025 counting only the distinct ones).

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

The square root of 1379472 is about 1174.5092592228. The cubic root of 1379472 is about 111.3194272694.

The spelling of 1379472 in words is "one million, three hundred seventy-nine thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 29 48 58 87 116 174 232 348 464 696 991 1392 1982 2973 3964 5946 7928 11892 15856 23784 28739 47568 57478 86217 114956 172434 229912 344868 459824 689736 1379472