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454979252 = 227131249943
BaseRepresentation
bin11011000111100…
…110111010110100
31011201010100012102
4123013212322310
51412433314002
6113051441232
714163155060
oct3307467264
91151110172
10454979252
11213907712
12108456218
13733511c0
14445d6aa0
1529e23a02
hex1b1e6eb4

454979252 has 24 divisors (see below), whose sum is σ = 979956096. Its totient is φ = 179991648.

The previous prime is 454979243. The next prime is 454979257. The reversal of 454979252 is 252979454.

It is a happy number.

It is a super-2 number, since 2×4549792522 = 414012239500959008, which contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 454979197 and 454979206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454979257) by changing a digit.

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, 624608 + ... + 625335.

It is an arithmetic number, because the mean of its divisors is an integer number (40831504).

Almost surely, 2454979252 is an apocalyptic number.

It is an amenable number.

454979252 is an abundant number, since it is smaller than the sum of its proper divisors (524976844).

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

454979252 is a wasteful number, since it uses less digits than its factorization.

454979252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249967 (or 1249965 counting only the distinct ones).

The product of its digits is 907200, while the sum is 47.

The square root of 454979252 is about 21330.2426615358. The cubic root of 454979252 is about 769.1254770355.

The spelling of 454979252 in words is "four hundred fifty-four million, nine hundred seventy-nine thousand, two hundred fifty-two".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 1249943 2499886 4999772 8749601 16249259 17499202 32498518 34998404 64997036 113744813 227489626 454979252