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20461452 = 22311379409
BaseRepresentation
bin100111000001…
…1011110001100
31102111112211120
41032003132030
520214231302
62010320540
7335630244
oct116033614
942445746
1020461452
1110605aa0
126a29150
13431548b
142a08b24
151be29bc
hex138378c

20461452 has 48 divisors (see below), whose sum is σ = 52348800. Its totient is φ = 6168960.

The previous prime is 20461451. The next prime is 20461453. The reversal of 20461452 is 25416402.

It is an interprime number because it is at equal distance from previous prime (20461451) and next prime (20461453).

It is not an unprimeable number, because it can be changed into a prime (20461451) 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, 49824 + ... + 50232.

It is an arithmetic number, because the mean of its divisors is an integer number (1090600).

Almost surely, 220461452 is an apocalyptic number.

20461452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20461452 is an abundant number, since it is smaller than the sum of its proper divisors (31887348).

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

20461452 is a wasteful number, since it uses less digits than its factorization.

20461452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806 (or 804 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 20461452 is about 4523.4336515528. The cubic root of 20461452 is about 273.5135311205.

Adding to 20461452 its reverse (25416402), we get a palindrome (45877854).

It can be divided in two parts, 2046 and 1452, that multiplied together give a palindrome (2970792).

The spelling of 20461452 in words is "twenty million, four hundred sixty-one thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 379 409 758 818 1137 1227 1516 1636 2274 2454 4169 4499 4548 4908 8338 8998 12507 13497 16676 17996 25014 26994 50028 53988 155011 310022 465033 620044 930066 1705121 1860132 3410242 5115363 6820484 10230726 20461452