[go: up one dir, main page]

Search a number
-
+
454643028 = 223271804139
BaseRepresentation
bin11011000110010…
…100110101010100
31011200111020222200
4123012110311110
51412342034103
6113040324500
714160254610
oct3306246524
91150436880
10454643028
112136a8044
12108313730
1373264158
144454a340
1529da90a3
hex1b194d54

454643028 has 36 divisors (see below), whose sum is σ = 1313413920. Its totient is φ = 129897936.

The previous prime is 454643027. The next prime is 454643069. The reversal of 454643028 is 820346454.

454643028 is a `hidden beast` number, since 4 + 5 + 4 + 643 + 0 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 454642983 and 454643001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454643027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 901818 + ... + 902321.

It is an arithmetic number, because the mean of its divisors is an integer number (36483720).

Almost surely, 2454643028 is an apocalyptic number.

It is an amenable number.

454643028 is an abundant number, since it is smaller than the sum of its proper divisors (858770892).

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

454643028 is a wasteful number, since it uses less digits than its factorization.

454643028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1804156 (or 1804151 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 454643028 is about 21322.3598131164. The cubic root of 454643028 is about 768.9359722981.

It can be divided in two parts, 4546 and 43028, that added together give a palindrome (47574).

The spelling of 454643028 in words is "four hundred fifty-four million, six hundred forty-three thousand, twenty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 1804139 3608278 5412417 7216556 10824834 12628973 16237251 21649668 25257946 32474502 37886919 50515892 64949004 75773838 113660757 151547676 227321514 454643028