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1013172 = 22384431
BaseRepresentation
bin11110111010110110100
31220110210220
43313112310
5224410142
633414340
711416566
oct3672664
91813726
101013172
11632236
1240a3b0
13296214
141c5336
151502ec
hexf75b4

1013172 has 12 divisors (see below), whose sum is σ = 2364096. Its totient is φ = 337720.

The previous prime is 1013153. The next prime is 1013197. The reversal of 1013172 is 2713101.

1013172 is nontrivially palindromic in base 11.

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42204 + ... + 42227.

It is an arithmetic number, because the mean of its divisors is an integer number (197008).

21013172 is an apocalyptic number.

1013172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1013172 is an abundant number, since it is smaller than the sum of its proper divisors (1350924).

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

1013172 is a wasteful number, since it uses less digits than its factorization.

1013172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84438 (or 84436 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 1013172 is about 1006.5644539720. The cubic root of 1013172 is about 100.4371528558.

Adding to 1013172 its reverse (2713101), we get a palindrome (3726273).

The spelling of 1013172 in words is "one million, thirteen thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 12 84431 168862 253293 337724 506586 1013172