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13402062 = 232744559
BaseRepresentation
bin110011000111…
…111111001110
3221012220011200
4303013333032
511412331222
61155130330
7221626032
oct63077716
927186150
1013402062
117624193
1245a39a6
132a1321b
141acc1c2
15129aeac
hexcc7fce

13402062 has 12 divisors (see below), whose sum is σ = 29037840. Its totient is φ = 4467348.

The previous prime is 13402043. The next prime is 13402063. The reversal of 13402062 is 26020431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 744559 = 13402062 / (1 + 3 + 4 + 0 + 2 + 0 + 6 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13402063) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 372262 + ... + 372297.

It is an arithmetic number, because the mean of its divisors is an integer number (2419820).

Almost surely, 213402062 is an apocalyptic number.

13402062 is an abundant number, since it is smaller than the sum of its proper divisors (15635778).

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

13402062 is a wasteful number, since it uses less digits than its factorization.

13402062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744567 (or 744564 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 13402062 is about 3660.8826804474. The cubic root of 13402062 is about 237.5329564608.

Adding to 13402062 its reverse (26020431), we get a palindrome (39422493).

The spelling of 13402062 in words is "thirteen million, four hundred two thousand, sixty-two".

Divisors: 1 2 3 6 9 18 744559 1489118 2233677 4467354 6701031 13402062