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61424210 = 2543211677
BaseRepresentation
bin1110101001010…
…0001001010010
311021120200011202
43222110021102
5111211033320
610032311202
71344045221
oct352241122
9137520152
1061424210
1131743a11
12186a2502
13c9582b3
14822ccb8
1555d4b75
hex3a94252

61424210 has 32 divisors (see below), whose sum is σ = 113838912. Its totient is φ = 23849280.

The previous prime is 61424189. The next prime is 61424219. The reversal of 61424210 is 1242416.

It is not an unprimeable number, because it can be changed into a prime (61424219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90392 + ... + 91068.

It is an arithmetic number, because the mean of its divisors is an integer number (3557466).

Almost surely, 261424210 is an apocalyptic number.

61424210 is a deficient number, since it is larger than the sum of its proper divisors (52414702).

61424210 is a wasteful number, since it uses less digits than its factorization.

61424210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 61424210 is about 7837.3598871048. The cubic root of 61424210 is about 394.5601256211.

Adding to 61424210 its reverse (1242416), we get a palindrome (62666626).

The spelling of 61424210 in words is "sixty-one million, four hundred twenty-four thousand, two hundred ten".

Divisors: 1 2 5 10 43 86 211 215 422 430 677 1055 1354 2110 3385 6770 9073 18146 29111 45365 58222 90730 142847 145555 285694 291110 714235 1428470 6142421 12284842 30712105 61424210