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210053742 = 23411396143
BaseRepresentation
bin11001000010100…
…10101001101110
3112122020211120020
430201102221232
5412233204432
632502103010
75130266403
oct1441225156
9478224506
10210053742
11a862a538
125a41aa66
1334697472
141dc7c2aa
151369322c
hexc852a6e

210053742 has 32 divisors (see below), whose sum is σ = 433520640. Its totient is φ = 67807680.

The previous prime is 210053741. The next prime is 210053749. The reversal of 210053742 is 247350012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210053741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31123 + ... + 37265.

It is an arithmetic number, because the mean of its divisors is an integer number (13547520).

Almost surely, 2210053742 is an apocalyptic number.

210053742 is an abundant number, since it is smaller than the sum of its proper divisors (223466898).

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

210053742 is a wasteful number, since it uses less digits than its factorization.

210053742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6328.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 210053742 is about 14493.2309027352. The cubic root of 210053742 is about 594.4428954363.

The spelling of 210053742 in words is "two hundred ten million, fifty-three thousand, seven hundred forty-two".

Divisors: 1 2 3 6 41 82 123 139 246 278 417 834 5699 6143 11398 12286 17097 18429 34194 36858 251863 503726 755589 853877 1511178 1707754 2561631 5123262 35008957 70017914 105026871 210053742