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451053020 = 225112050241
BaseRepresentation
bin11010111000101…
…000010111011100
31011102201212102102
4122320220113130
51410432144040
6112431344232
714114613245
oct3270502734
91142655372
10451053020
112116758a0
12107082078
13725a80a2
1443c93ccc
15298ea515
hex1ae285dc

451053020 has 24 divisors (see below), whose sum is σ = 1033321968. Its totient is φ = 164019200.

The previous prime is 451053011. The next prime is 451053047. The reversal of 451053020 is 20350154.

It is a super-2 number, since 2×4510530202 = 406897653702240800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 451052983 and 451053001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1024901 + ... + 1025340.

It is an arithmetic number, because the mean of its divisors is an integer number (43055082).

Almost surely, 2451053020 is an apocalyptic number.

It is an amenable number.

451053020 is an abundant number, since it is smaller than the sum of its proper divisors (582268948).

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

451053020 is a wasteful number, since it uses less digits than its factorization.

451053020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050261 (or 2050259 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 451053020 is about 21238.0088520558. The cubic root of 451053020 is about 766.9066994684.

The spelling of 451053020 in words is "four hundred fifty-one million, fifty-three thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 2050241 4100482 8200964 10251205 20502410 22552651 41004820 45105302 90210604 112763255 225526510 451053020