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1055275 = 521317191
BaseRepresentation
bin100000001101000101011
31222121120021
410001220223
5232232100
634341311
711653414
oct4015053
91877507
101055275
11660931
1242a837
132ac430
141d680b
1515ca1a
hex101a2b

1055275 has 24 divisors (see below), whose sum is σ = 1499904. Its totient is φ = 729600.

The previous prime is 1055269. The next prime is 1055303. The reversal of 1055275 is 5725501.

It is a happy number.

It is not a de Polignac number, because 1055275 - 23 = 1055267 is a prime.

It is a super-2 number, since 2×10552752 = 2227210651250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5430 + ... + 5620.

It is an arithmetic number, because the mean of its divisors is an integer number (62496).

21055275 is an apocalyptic number.

1055275 is the 650-th heptagonal number.

1055275 is a deficient number, since it is larger than the sum of its proper divisors (444629).

1055275 is a wasteful number, since it uses less digits than its factorization.

1055275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 25.

The square root of 1055275 is about 1027.2657883917. The cubic root of 1055275 is about 101.8095575033.

The spelling of 1055275 in words is "one million, fifty-five thousand, two hundred seventy-five".

Divisors: 1 5 13 17 25 65 85 191 221 325 425 955 1105 2483 3247 4775 5525 12415 16235 42211 62075 81175 211055 1055275