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11452420 = 2257179457
BaseRepresentation
bin101011101100…
…000000000100
3210112211202201
4223230000010
510412434140
61045244244
7166225660
oct53540004
923484681
1011452420
116512411
123a03684
1324ac9a5
1417418a0
15101349a
hexaec004

11452420 has 48 divisors (see below), whose sum is σ = 27699840. Its totient is φ = 3896064.

The previous prime is 11452403. The next prime is 11452433. The reversal of 11452420 is 2425411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24832 + ... + 25288.

It is an arithmetic number, because the mean of its divisors is an integer number (577080).

Almost surely, 211452420 is an apocalyptic number.

11452420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11452420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13849920).

11452420 is an abundant number, since it is smaller than the sum of its proper divisors (16247420).

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

11452420 is a wasteful number, since it uses less digits than its factorization.

11452420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 11452420 is about 3384.1424319907. The cubic root of 11452420 is about 225.4061470820.

Adding to 11452420 its reverse (2425411), we get a palindrome (13877831).

The spelling of 11452420 in words is "eleven million, four hundred fifty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 179 358 457 716 895 914 1253 1790 1828 2285 2506 3199 3580 4570 5012 6265 6398 9140 12530 12796 15995 25060 31990 63980 81803 163606 327212 409015 572621 818030 1145242 1636060 2290484 2863105 5726210 11452420