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7485142 = 27276379
BaseRepresentation
bin11100100011011011010110
3112002021200111
4130203123112
53404011032
6424233234
7120423400
oct34433326
915067614
107485142
114252775
12260b81a
131720ca2
14dcbb70
159ccc47
hex7236d6

7485142 has 12 divisors (see below), whose sum is σ = 13060980. Its totient is φ = 3207876.

The previous prime is 7485133. The next prime is 7485187. The reversal of 7485142 is 2415847.

It is an Ulam number.

It is a nialpdrome in base 14.

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 5 ways as a sum of consecutive naturals, for example, 38092 + ... + 38287.

It is an arithmetic number, because the mean of its divisors is an integer number (1088415).

Almost surely, 27485142 is an apocalyptic number.

7485142 is a deficient number, since it is larger than the sum of its proper divisors (5575838).

7485142 is a wasteful number, since it uses less digits than its factorization.

7485142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76395 (or 76388 counting only the distinct ones).

The product of its digits is 8960, while the sum is 31.

The square root of 7485142 is about 2735.8987554367. The cubic root of 7485142 is about 195.6140363769.

The spelling of 7485142 in words is "seven million, four hundred eighty-five thousand, one hundred forty-two".

Divisors: 1 2 7 14 49 98 76379 152758 534653 1069306 3742571 7485142