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7428494 = 223167967
BaseRepresentation
bin11100010101100110001110
3111222101222102
4130111212032
53400202434
6423115102
7120066263
oct34254616
914871872
107428494
114214157
1225a2a92
131701278
14db526a
159bb07e
hex71598e

7428494 has 16 divisors (see below), whose sum is σ = 11708928. Its totient is φ = 3527832.

The previous prime is 7428469. The next prime is 7428521. The reversal of 7428494 is 4948247.

It is a super-3 number, since 3×74284943 (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7199 + ... + 8165.

It is an arithmetic number, because the mean of its divisors is an integer number (731808).

Almost surely, 27428494 is an apocalyptic number.

7428494 is a deficient number, since it is larger than the sum of its proper divisors (4280434).

7428494 is a wasteful number, since it uses less digits than its factorization.

7428494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159.

The product of its digits is 64512, while the sum is 38.

The square root of 7428494 is about 2725.5263711804. The cubic root of 7428494 is about 195.1193133503.

The spelling of 7428494 in words is "seven million, four hundred twenty-eight thousand, four hundred ninety-four".

Divisors: 1 2 23 46 167 334 967 1934 3841 7682 22241 44482 161489 322978 3714247 7428494