Search a number
-
+
454133140 = 22536761871
BaseRepresentation
bin11011000100011…
…000010110010100
31011122112100112221
4123010120112110
51412224230030
6113021352124
714153032216
oct3304302624
91148470487
10454133140
11213389a4a
12108108644
1373116046
14444565b6
1529d07e7a
hex1b118594

454133140 has 24 divisors (see below), whose sum is σ = 956293632. Its totient is φ = 181155360.

The previous prime is 454133123. The next prime is 454133149. The reversal of 454133140 is 41331454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454133149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23596 + ... + 38275.

It is an arithmetic number, because the mean of its divisors is an integer number (39845568).

Almost surely, 2454133140 is an apocalyptic number.

It is an amenable number.

454133140 is an abundant number, since it is smaller than the sum of its proper divisors (502160492).

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

454133140 is a wasteful number, since it uses less digits than its factorization.

454133140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62247 (or 62245 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 454133140 is about 21310.3998085442. The cubic root of 454133140 is about 768.6484075765.

Adding to 454133140 its reverse (41331454), we get a palindrome (495464594).

The spelling of 454133140 in words is "four hundred fifty-four million, one hundred thirty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 367 734 1468 1835 3670 7340 61871 123742 247484 309355 618710 1237420 22706657 45413314 90826628 113533285 227066570 454133140