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14542420 = 225727121
BaseRepresentation
bin110111011110…
…011001010100
31000100211110011
4313132121110
512210324140
61235410004
7234415504
oct67363124
930324404
1014542420
118232a32
124a53904
1330222a9
141d07a04
151423cea
hexdde654

14542420 has 12 divisors (see below), whose sum is σ = 30539124. Its totient is φ = 5816960.

The previous prime is 14542393. The next prime is 14542421. The reversal of 14542420 is 2424541.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2515396 + 12027024 = 1586^2 + 3468^2 .

It is a super-2 number, since 2×145424202 = 422963958912800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14542391 and 14542400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14542421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363541 + ... + 363580.

It is an arithmetic number, because the mean of its divisors is an integer number (2544927).

Almost surely, 214542420 is an apocalyptic number.

14542420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14542420 is an abundant number, since it is smaller than the sum of its proper divisors (15996704).

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

14542420 is a wasteful number, since it uses less digits than its factorization.

14542420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727130 (or 727128 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 14542420 is about 3813.4525039654. The cubic root of 14542420 is about 244.0875122804.

Adding to 14542420 its reverse (2424541), we get a palindrome (16966961).

The spelling of 14542420 in words is "fourteen million, five hundred forty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 727121 1454242 2908484 3635605 7271210 14542420