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1393952 = 2573127
BaseRepresentation
bin101010100010100100000
32121211010212
411110110200
5324101302
645513252
714564000
oct5242440
92554125
101393952
1187232a
12572828
1339a631
14284000
151c8052
hex154520

1393952 has 48 divisors (see below), whose sum is σ = 3225600. Its totient is φ = 592704.

The previous prime is 1393939. The next prime is 1393957. The reversal of 1393952 is 2593931.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (1393957) 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, 10913 + ... + 11039.

It is an arithmetic number, because the mean of its divisors is an integer number (67200).

21393952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1393952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1612800).

1393952 is an abundant number, since it is smaller than the sum of its proper divisors (1831648).

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

1393952 is an equidigital number, since it uses as much as digits as its factorization.

1393952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 136 counting only the distinct ones).

The product of its digits is 7290, while the sum is 32.

The square root of 1393952 is about 1180.6574439692. The cubic root of 1393952 is about 111.7075704708.

The spelling of 1393952 in words is "one million, three hundred ninety-three thousand, nine hundred fifty-two".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 98 112 127 196 224 254 343 392 508 686 784 889 1016 1372 1568 1778 2032 2744 3556 4064 5488 6223 7112 10976 12446 14224 24892 28448 43561 49784 87122 99568 174244 199136 348488 696976 1393952