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1293952 = 2711919
BaseRepresentation
bin100111011111010000000
32102201222011
410323322000
5312401302
643422304
713666312
oct4737200
92381864
101293952
11804190
12524994
13363c6a
142597b2
151a85d7
hex13be80

1293952 has 32 divisors (see below), whose sum is σ = 2815200. Its totient is φ = 587520.

The previous prime is 1293949. The next prime is 1293961. The reversal of 1293952 is 2593921.

It is a tau number, because it is divible by the number of its divisors (32).

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, 949 + ... + 1867.

It is an arithmetic number, because the mean of its divisors is an integer number (87975).

21293952 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 1293952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1407600).

1293952 is an abundant number, since it is smaller than the sum of its proper divisors (1521248).

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

1293952 is an equidigital number, since it uses as much as digits as its factorization.

1293952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944 (or 932 counting only the distinct ones).

The product of its digits is 4860, while the sum is 31.

The square root of 1293952 is about 1137.5201097124. The cubic root of 1293952 is about 108.9697753080.

Subtracting from 1293952 its sum of digits (31), we obtain a palindrome (1293921).

The spelling of 1293952 in words is "one million, two hundred ninety-three thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 128 176 352 704 919 1408 1838 3676 7352 10109 14704 20218 29408 40436 58816 80872 117632 161744 323488 646976 1293952