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61244230 = 2529211187
BaseRepresentation
bin1110100110100…
…0001101000110
311021020112021211
43221220031012
5111134303410
610024402034
71342365415
oct351501506
9137215254
1061244230
1131630773
121861631a
13c8c43b8
1481c347c
15559b68a
hex3a68346

61244230 has 16 divisors (see below), whose sum is σ = 114041520. Its totient is φ = 23652832.

The previous prime is 61244221. The next prime is 61244233. The reversal of 61244230 is 3244216.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61244233) 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, 105304 + ... + 105883.

It is an arithmetic number, because the mean of its divisors is an integer number (7127595).

Almost surely, 261244230 is an apocalyptic number.

61244230 is a deficient number, since it is larger than the sum of its proper divisors (52797290).

61244230 is a wasteful number, since it uses less digits than its factorization.

61244230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211223.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 61244230 is about 7825.8692807892. The cubic root of 61244230 is about 394.1743797660.

Adding to 61244230 its reverse (3244216), we get a palindrome (64488446).

The spelling of 61244230 in words is "sixty-one million, two hundred forty-four thousand, two hundred thirty".

Divisors: 1 2 5 10 29 58 145 290 211187 422374 1055935 2111870 6124423 12248846 30622115 61244230