Search a number
-
+
455249152 = 281778317
BaseRepresentation
bin11011001000101…
…000110100000000
31011201122001102201
4123020220310000
51413020433102
6113101322544
714165361001
oct3310506400
91151561381
10455249152
11213a81476
12108566454
1373416cc7
14446671a8
1529e78987
hex1b228d00

455249152 has 18 divisors (see below), whose sum is σ = 908720498. Its totient is φ = 227624448.

The previous prime is 455249149. The next prime is 455249159. The reversal of 455249152 is 251942554.

It can be written as a sum of positive squares in only one way, i.e., 410305536 + 44943616 = 20256^2 + 6704^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455249159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 888903 + ... + 889414.

Almost surely, 2455249152 is an apocalyptic number.

It is an amenable number.

455249152 is a deficient number, since it is larger than the sum of its proper divisors (453471346).

455249152 is an equidigital number, since it uses as much as digits as its factorization.

455249152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778333 (or 1778319 counting only the distinct ones).

The product of its digits is 72000, while the sum is 37.

The square root of 455249152 is about 21336.5684213746. The cubic root of 455249152 is about 769.2775322710.

The spelling of 455249152 in words is "four hundred fifty-five million, two hundred forty-nine thousand, one hundred fifty-two".

Divisors: 1 2 4 8 16 32 64 128 256 1778317 3556634 7113268 14226536 28453072 56906144 113812288 227624576 455249152