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1020348 = 223274049
BaseRepresentation
bin11111001000110111100
31220211122200
43321012330
5230122343
633511500
711446530
oct3710674
91824580
101020348
1163766a
12412590
13299574
141c7bc0
151524d3
hexf91bc

1020348 has 36 divisors (see below), whose sum is σ = 2948400. Its totient is φ = 291456.

The previous prime is 1020337. The next prime is 1020353. The reversal of 1020348 is 8430201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×10203482 = 2082220082208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 1020348.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1773 + ... + 2276.

It is an arithmetic number, because the mean of its divisors is an integer number (81900).

21020348 is an apocalyptic number.

1020348 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1020348 is an abundant number, since it is smaller than the sum of its proper divisors (1928052).

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

1020348 is a wasteful number, since it uses less digits than its factorization.

1020348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4066 (or 4061 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1020348 is about 1010.1227648162. The cubic root of 1020348 is about 100.6737175205.

Adding to 1020348 its reverse (8430201), we get a palindrome (9450549).

The spelling of 1020348 in words is "one million, twenty thousand, three hundred forty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 4049 8098 12147 16196 24294 28343 36441 48588 56686 72882 85029 113372 145764 170058 255087 340116 510174 1020348