Search a number
-
+
454450420 = 2251031671321
BaseRepresentation
bin11011000101100…
…101110011110100
31011200010110210001
4123011211303310
51412314403140
6113032241044
714155523224
oct3305456364
91150113701
10454450420
11213586366
12108240184
13731c7598
14444da084
1529d6be9a
hex1b165cf4

454450420 has 48 divisors (see below), whose sum is σ = 970115328. Its totient is φ = 178801920.

The previous prime is 454450369. The next prime is 454450429. The reversal of 454450420 is 24054454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454450429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343360 + ... + 344680.

It is an arithmetic number, because the mean of its divisors is an integer number (20210736).

Almost surely, 2454450420 is an apocalyptic number.

It is an amenable number.

454450420 is an abundant number, since it is smaller than the sum of its proper divisors (515664908).

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

454450420 is a wasteful number, since it uses less digits than its factorization.

454450420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600 (or 1598 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 454450420 is about 21317.8427614053. The cubic root of 454450420 is about 768.8273712419.

The spelling of 454450420 in words is "four hundred fifty-four million, four hundred fifty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 103 167 206 334 412 515 668 835 1030 1321 1670 2060 2642 3340 5284 6605 13210 17201 26420 34402 68804 86005 136063 172010 220607 272126 344020 441214 544252 680315 882428 1103035 1360630 2206070 2721260 4412140 22722521 45445042 90890084 113612605 227225210 454450420