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1341256 = 23743557
BaseRepresentation
bin101000111011101001000
32112010212011
411013131020
5320410011
644425304
714254240
oct5073510
92463764
101341256
11836784
12548234
1337c657
1426cb20
151b7621
hex147748

1341256 has 32 divisors (see below), whose sum is σ = 2946240. Its totient is φ = 560448.

The previous prime is 1341217. The next prime is 1341257. The reversal of 1341256 is 6521431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1341257) 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, 2130 + ... + 2686.

It is an arithmetic number, because the mean of its divisors is an integer number (92070).

21341256 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 1341256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1473120).

1341256 is an abundant number, since it is smaller than the sum of its proper divisors (1604984).

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

1341256 is a wasteful number, since it uses less digits than its factorization.

1341256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613 (or 609 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 1341256 is about 1158.1260725845. The cubic root of 1341256 is about 110.2818118377.

Adding to 1341256 its reverse (6521431), we get a palindrome (7862687).

The spelling of 1341256 in words is "one million, three hundred forty-one thousand, two hundred fifty-six".

Divisors: 1 2 4 7 8 14 28 43 56 86 172 301 344 557 602 1114 1204 2228 2408 3899 4456 7798 15596 23951 31192 47902 95804 167657 191608 335314 670628 1341256