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454122153 = 3316819339
BaseRepresentation
bin11011000100010…
…101101010101001
31011122111210111000
4123010111222221
51412223402103
6113021225213
714152655202
oct3304255251
91148453430
10454122153
11213381771
12108102209
1373111044
14444525a9
1529d04aa3
hex1b115aa9

454122153 has 8 divisors (see below), whose sum is σ = 672773600. Its totient is φ = 302748084.

The previous prime is 454122113. The next prime is 454122157. The reversal of 454122153 is 351221454.

It is not a de Polignac number, because 454122153 - 26 = 454122089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 16819339 = 454122153 / (4 + 5 + 4 + 1 + 2 + 2 + 1 + 5 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (454122157) 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, 8409643 + ... + 8409696.

It is an arithmetic number, because the mean of its divisors is an integer number (84096700).

Almost surely, 2454122153 is an apocalyptic number.

It is an amenable number.

454122153 is a deficient number, since it is larger than the sum of its proper divisors (218651447).

454122153 is a wasteful number, since it uses less digits than its factorization.

454122153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16819348 (or 16819342 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 454122153 is about 21310.1420220514. The cubic root of 454122153 is about 768.6422088010.

The spelling of 454122153 in words is "four hundred fifty-four million, one hundred twenty-two thousand, one hundred fifty-three".

Divisors: 1 3 9 27 16819339 50458017 151374051 454122153