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454471230 = 23515149041
BaseRepresentation
bin11011000101101…
…010111000111110
31011200011112022210
4123011222320332
51412321034410
6113032521250
714155641003
oct3305527076
91150145283
10454471230
1121359aa64
12108250226
1373203bb5
14445038aa
1529d73220
hex1b16ae3e

454471230 has 16 divisors (see below), whose sum is σ = 1090731024. Its totient is φ = 121192320.

The previous prime is 454471229. The next prime is 454471273. The reversal of 454471230 is 32174454.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 15149041 = 454471230 / (4 + 5 + 4 + 4 + 7 + 1 + 2 + 3 + 0).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7574491 + ... + 7574550.

It is an arithmetic number, because the mean of its divisors is an integer number (68170689).

Almost surely, 2454471230 is an apocalyptic number.

454471230 is an abundant number, since it is smaller than the sum of its proper divisors (636259794).

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

454471230 is a wasteful number, since it uses less digits than its factorization.

454471230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15149051.

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 454471230 is about 21318.3308446041. The cubic root of 454471230 is about 768.8391063346.

The spelling of 454471230 in words is "four hundred fifty-four million, four hundred seventy-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 15149041 30298082 45447123 75745205 90894246 151490410 227235615 454471230