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1055256 = 23343969
BaseRepresentation
bin100000001101000011000
31222121112120
410001220120
5232232011
634341240
711653356
oct4015030
91877476
101055256
11660914
1242a820
132ac417
141d67d6
1515ca06
hex101a18

1055256 has 16 divisors (see below), whose sum is σ = 2638200. Its totient is φ = 351744.

The previous prime is 1055251. The next prime is 1055261. The reversal of 1055256 is 6525501.

It is an interprime number because it is at equal distance from previous prime (1055251) and next prime (1055261).

It is a super-2 number, since 2×10552562 = 2227130451072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 43969 = 1055256 / (1 + 0 + 5 + 5 + 2 + 5 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21961 + ... + 22008.

21055256 is an apocalyptic number.

It is an amenable number.

1055256 is an abundant number, since it is smaller than the sum of its proper divisors (1582944).

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

1055256 is a wasteful number, since it uses less digits than its factorization.

1055256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43978 (or 43974 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 1055256 is about 1027.2565405000. The cubic root of 1055256 is about 101.8089464799.

The spelling of 1055256 in words is "one million, fifty-five thousand, two hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 24 43969 87938 131907 175876 263814 351752 527628 1055256