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210553120 = 25510912073
BaseRepresentation
bin11001000110011…
…00100100100000
3112200012012120201
430203030210200
5412400144440
632520514544
75134446331
oct1443144440
9480165521
10210553120
11a8940748
125a61ba54
133481085b
141dd6c288
151374119a
hexc8cc920

210553120 has 48 divisors (see below), whose sum is σ = 502036920. Its totient is φ = 83441664.

The previous prime is 210553103. The next prime is 210553121. The reversal of 210553120 is 21355012.

210553120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 126427536 + 84125584 = 11244^2 + 9172^2 .

It is not an unprimeable number, because it can be changed into a prime (210553121) 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, 11404 + ... + 23476.

Almost surely, 2210553120 is an apocalyptic number.

210553120 is a gapful number since it is divisible by the number (20) 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 210553120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251018460).

210553120 is an abundant number, since it is smaller than the sum of its proper divisors (291483800).

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

210553120 is a wasteful number, since it uses less digits than its factorization.

210553120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12197 (or 12189 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 210553120 is about 14510.4486491631. The cubic root of 210553120 is about 594.9135952491.

It can be divided in two parts, 2105 and 53120, that added together give a square (55225 = 2352).

The spelling of 210553120 in words is "two hundred ten million, five hundred fifty-three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 109 160 218 436 545 872 1090 1744 2180 3488 4360 8720 12073 17440 24146 48292 60365 96584 120730 193168 241460 386336 482920 965840 1315957 1931680 2631914 5263828 6579785 10527656 13159570 21055312 26319140 42110624 52638280 105276560 210553120