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211025034 = 23311355261
BaseRepresentation
bin11001001001111…
…11110010001010
3112201002011221000
430210333302022
5413010300114
632534555430
75141453223
oct1444776212
9481064830
10211025034
11a9133260
125a808b76
13349475ac
142005224a
15137d5e09
hexc93fc8a

211025034 has 32 divisors (see below), whose sum is σ = 511577280. Its totient is φ = 63946800.

The previous prime is 211025027. The next prime is 211025051. The reversal of 211025034 is 430520112.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 211024998 and 211025016.

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, 177037 + ... + 178224.

It is an arithmetic number, because the mean of its divisors is an integer number (15986790).

Almost surely, 2211025034 is an apocalyptic number.

211025034 is an abundant number, since it is smaller than the sum of its proper divisors (300552246).

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

211025034 is a wasteful number, since it uses less digits than its factorization.

211025034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355283 (or 355277 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 211025034 is about 14526.7007265931. The cubic root of 211025034 is about 595.3577247681.

Adding to 211025034 its reverse (430520112), we get a palindrome (641545146).

The spelling of 211025034 in words is "two hundred eleven million, twenty-five thousand, thirty-four".

Divisors: 1 2 3 6 9 11 18 22 27 33 54 66 99 198 297 594 355261 710522 1065783 2131566 3197349 3907871 6394698 7815742 9592047 11723613 19184094 23447226 35170839 70341678 105512517 211025034