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13442280 = 2335112019
BaseRepresentation
bin110011010001…
…110011101000
3221021221100020
4303101303220
511420123110
61200040440
7222154215
oct63216350
927257306
1013442280
117651425
124603120
132a28617
141adcb0c
1512a7d70
hexcd1ce8

13442280 has 32 divisors (see below), whose sum is σ = 40327200. Its totient is φ = 3584576.

The previous prime is 13442269. The next prime is 13442287. The reversal of 13442280 is 8224431.

13442280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 13442280.

It is not an unprimeable number, because it can be changed into a prime (13442287) 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, 55890 + ... + 56129.

It is an arithmetic number, because the mean of its divisors is an integer number (1260225).

Almost surely, 213442280 is an apocalyptic number.

13442280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13442280 is an abundant number, since it is smaller than the sum of its proper divisors (26884920).

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

13442280 is a wasteful number, since it uses less digits than its factorization.

13442280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112033 (or 112029 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 13442280 is about 3666.3715032713. The cubic root of 13442280 is about 237.7703219357.

The spelling of 13442280 in words is "thirteen million, four hundred forty-two thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 112019 224038 336057 448076 560095 672114 896152 1120190 1344228 1680285 2240380 2688456 3360570 4480760 6721140 13442280