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20014154 = 210007077
BaseRepresentation
bin100110001011…
…0010001001010
31101122211020222
41030112101022
520110423104
61552550042
7332055206
oct114262112
941584228
1020014154
111032aa26
126852322
1341b99c4
14292db06
151b551be
hex131644a

20014154 has 4 divisors (see below), whose sum is σ = 30021234. Its totient is φ = 10007076.

The previous prime is 20014153. The next prime is 20014171. The reversal of 20014154 is 45141002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45141002 = 222570501.

It can be written as a sum of positive squares in only one way, i.e., 18258529 + 1755625 = 4273^2 + 1325^2 .

It is not an unprimeable number, because it can be changed into a prime (20014153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5003537 + ... + 5003540.

Almost surely, 220014154 is an apocalyptic number.

20014154 is a deficient number, since it is larger than the sum of its proper divisors (10007080).

20014154 is a wasteful number, since it uses less digits than its factorization.

20014154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10007079.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 20014154 is about 4473.7181404286. The cubic root of 20014154 is about 271.5057796716.

Adding to 20014154 its reverse (45141002), we get a palindrome (65155156).

The spelling of 20014154 in words is "twenty million, fourteen thousand, one hundred fifty-four".

Divisors: 1 2 10007077 20014154