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210253044 = 22317521087
BaseRepresentation
bin11001000100000…
…11010011110100
3112122121221221210
430202003103310
5412311044134
632510241420
75132056431
oct1442032364
9478557853
10210253044
11a8756251
125a4b6270
13347370b1
141dcd0b88
15136d22e9
hexc8834f4

210253044 has 12 divisors (see below), whose sum is σ = 490590464. Its totient is φ = 70084344.

The previous prime is 210253037. The next prime is 210253063. The reversal of 210253044 is 440352012.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2102530442 = 88412685022531872, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 210253044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8760532 + ... + 8760555.

Almost surely, 2210253044 is an apocalyptic number.

It is an amenable number.

210253044 is an abundant number, since it is smaller than the sum of its proper divisors (280337420).

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

210253044 is a wasteful number, since it uses less digits than its factorization.

210253044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17521094 (or 17521092 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 210253044 is about 14500.1049651373. The cubic root of 210253044 is about 594.6308413190.

The spelling of 210253044 in words is "two hundred ten million, two hundred fifty-three thousand, forty-four".

Divisors: 1 2 3 4 6 12 17521087 35042174 52563261 70084348 105126522 210253044