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61432453 = 1921671019
BaseRepresentation
bin1110101001011…
…0001010000101
311021121002111001
43222112022011
5111211314303
610032413301
71344111235
oct352261205
9137532431
1061432453
113174a125
12186a7231
13c95bc84
148231cc5
1555d731d
hex3a96285

61432453 has 12 divisors (see below), whose sum is σ = 65288160. Its totient is φ = 57793896.

The previous prime is 61432409. The next prime is 61432457. The reversal of 61432453 is 35423416.

It is not a de Polignac number, because 61432453 - 221 = 59335301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61432457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59778 + ... + 60796.

It is an arithmetic number, because the mean of its divisors is an integer number (5440680).

Almost surely, 261432453 is an apocalyptic number.

It is an amenable number.

61432453 is a deficient number, since it is larger than the sum of its proper divisors (3855707).

61432453 is a wasteful number, since it uses less digits than its factorization.

61432453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224 (or 1205 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 61432453 is about 7837.8857480828. The cubic root of 61432453 is about 394.5777745451.

Adding to 61432453 its reverse (35423416), we get a palindrome (96855869).

The spelling of 61432453 in words is "sixty-one million, four hundred thirty-two thousand, four hundred fifty-three".

Divisors: 1 19 167 361 1019 3173 19361 60287 170173 367859 3233287 61432453