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13202488 = 2313374773
BaseRepresentation
bin110010010111…
…010000111000
3220211202102001
4302113100320
511334434423
61150550344
7220135135
oct62272070
926752361
1013202488
1174a8252
1245083b4
132973430
141a7958c
15125bcad
hexc97438

13202488 has 64 divisors (see below), whose sum is σ = 28344960. Its totient is φ = 5723136.

The previous prime is 13202471. The next prime is 13202509. The reversal of 13202488 is 88420231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180820 + ... + 180892.

It is an arithmetic number, because the mean of its divisors is an integer number (442890).

Almost surely, 213202488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13202488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14172480).

13202488 is an abundant number, since it is smaller than the sum of its proper divisors (15142472).

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

13202488 is a wasteful number, since it uses less digits than its factorization.

13202488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 13202488 is about 3633.5228085152. The cubic root of 13202488 is about 236.3479975667.

The spelling of 13202488 in words is "thirteen million, two hundred two thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 13 26 37 47 52 73 74 94 104 146 148 188 292 296 376 481 584 611 949 962 1222 1739 1898 1924 2444 2701 3431 3478 3796 3848 4888 5402 6862 6956 7592 10804 13724 13912 21608 22607 27448 35113 44603 45214 70226 89206 90428 126947 140452 178412 180856 253894 280904 356824 507788 1015576 1650311 3300622 6601244 13202488