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7144490 = 252331063
BaseRepresentation
bin11011010000010000101010
3111102222101202
4123100100222
53312110430
6413044202
7114504263
oct33202052
914388352
107144490
11403a841
122486662
131631c12
14d3d96a
15961d45
hex6d042a

7144490 has 16 divisors (see below), whose sum is σ = 13419648. Its totient is φ = 2733456.

The previous prime is 7144483. The next prime is 7144499. The reversal of 7144490 is 944417.

It is not an unprimeable number, because it can be changed into a prime (7144499) 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, 15302 + ... + 15761.

It is an arithmetic number, because the mean of its divisors is an integer number (838728).

Almost surely, 27144490 is an apocalyptic number.

7144490 is a deficient number, since it is larger than the sum of its proper divisors (6275158).

7144490 is a wasteful number, since it uses less digits than its factorization.

7144490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31093.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 7144490 is about 2672.9178812676. The cubic root of 7144490 is about 192.6003524660.

The spelling of 7144490 in words is "seven million, one hundred forty-four thousand, four hundred ninety".

Divisors: 1 2 5 10 23 46 115 230 31063 62126 155315 310630 714449 1428898 3572245 7144490