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1013233 = 13411901
BaseRepresentation
bin11110111010111110001
31220110220011
43313113301
5224410413
633414521
711420014
oct3672761
91813804
101013233
11632291
1240a441
13296260
141c537b
1515033d
hexf75f1

1013233 has 8 divisors (see below), whose sum is σ = 1118376. Its totient is φ = 912000.

The previous prime is 1013227. The next prime is 1013237. The reversal of 1013233 is 3323101.

It can be written as a sum of positive squares in 4 ways, for example, as 106929 + 906304 = 327^2 + 952^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1013233 - 29 = 1012721 is a prime.

It is a super-2 number, since 2×10132332 = 2053282224578, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013237) 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, 418 + ... + 1483.

It is an arithmetic number, because the mean of its divisors is an integer number (139797).

21013233 is an apocalyptic number.

1013233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1013233 is a deficient number, since it is larger than the sum of its proper divisors (105143).

1013233 is a wasteful number, since it uses less digits than its factorization.

1013233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1955.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 1013233 is about 1006.5947546058. The cubic root of 1013233 is about 100.4391684870.

Adding to 1013233 its reverse (3323101), we get a palindrome (4336334).

The spelling of 1013233 in words is "one million, thirteen thousand, two hundred thirty-three".

Divisors: 1 13 41 533 1901 24713 77941 1013233