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2453420220 = 2235192152123
BaseRepresentation
bin1001001000111100…
…0011100010111100
320022222112122211120
42102033003202330
520011033421340
61043241150540
7114540504426
oct22217034274
96288478746
102453420220
111049989a19
1258578b450
133013a0a54
14193ba7816
15e55c94d0
hex923c38bc

2453420220 has 48 divisors (see below), whose sum is σ = 7231136640. Its totient is φ = 619811136.

The previous prime is 2453420219. The next prime is 2453420293. The reversal of 2453420220 is 220243542.

It is a happy number.

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, 1074922 + ... + 1077201.

It is an arithmetic number, because the mean of its divisors is an integer number (150648680).

Almost surely, 22453420220 is an apocalyptic number.

2453420220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2453420220 is an abundant number, since it is smaller than the sum of its proper divisors (4777716420).

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

2453420220 is a wasteful number, since it uses less digits than its factorization.

2453420220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152154 (or 2152152 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 2453420220 is about 49532.0120730018. The cubic root of 2453420220 is about 1348.7267776183.

Adding to 2453420220 its reverse (220243542), we get a palindrome (2673663762).

The spelling of 2453420220 in words is "two billion, four hundred fifty-three million, four hundred twenty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 114 190 228 285 380 570 1140 2152123 4304246 6456369 8608492 10760615 12912738 21521230 25825476 32281845 40890337 43042460 64563690 81780674 122671011 129127380 163561348 204451685 245342022 408903370 490684044 613355055 817806740 1226710110 2453420220