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7146140 = 2251033469
BaseRepresentation
bin11011010000101010011100
3111110001122212
4123100222130
53312134030
6413055552
7114512141
oct33205234
914401585
107146140
114041001
1224875b8
1316328b1
14d403c8
15962595
hex6d0a9c

7146140 has 24 divisors (see below), whose sum is σ = 15156960. Its totient is φ = 2829888.

The previous prime is 7146133. The next prime is 7146157. The reversal of 7146140 is 416417.

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 7 ways as a sum of consecutive naturals, for example, 326 + ... + 3794.

It is an arithmetic number, because the mean of its divisors is an integer number (631540).

Almost surely, 27146140 is an apocalyptic number.

It is an amenable number.

7146140 is an abundant number, since it is smaller than the sum of its proper divisors (8010820).

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

7146140 is a wasteful number, since it uses less digits than its factorization.

7146140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3581 (or 3579 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 7146140 is about 2673.2265149067. The cubic root of 7146140 is about 192.6151781625.

The spelling of 7146140 in words is "seven million, one hundred forty-six thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 103 206 412 515 1030 2060 3469 6938 13876 17345 34690 69380 357307 714614 1429228 1786535 3573070 7146140