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20153059 = 167120677
BaseRepresentation
bin100110011100…
…0001011100011
31101220212210121
41030320023203
520124344214
61555541111
7333204163
oct114701343
941825717
1020153059
1110415323
1268ba797
134237cb4
1429685a3
151b81424
hex13382e3

20153059 has 4 divisors (see below), whose sum is σ = 20273904. Its totient is φ = 20032216.

The previous prime is 20153051. The next prime is 20153093. The reversal of 20153059 is 95035102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20153059 - 23 = 20153051 is a prime.

It is a super-2 number, since 2×201530592 = 812291574114962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20153051) 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, 60172 + ... + 60505.

It is an arithmetic number, because the mean of its divisors is an integer number (5068476).

Almost surely, 220153059 is an apocalyptic number.

20153059 is a deficient number, since it is larger than the sum of its proper divisors (120845).

20153059 is a wasteful number, since it uses less digits than its factorization.

20153059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120844.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 20153059 is about 4489.2158558038. The cubic root of 20153059 is about 272.1324461299.

The spelling of 20153059 in words is "twenty million, one hundred fifty-three thousand, fifty-nine".

Divisors: 1 167 120677 20153059