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61434513 = 327975151
BaseRepresentation
bin1110101001011…
…0101010010001
311021121012022100
43222112222101
5111211401023
610032431013
71344120240
oct352265221
9137535270
1061434513
1131750728
12186a8469
13c95cbaa
148232957
1555d7c43
hex3a96a91

61434513 has 12 divisors (see below), whose sum is σ = 101415808. Its totient is φ = 35105400.

The previous prime is 61434497. The next prime is 61434539. The reversal of 61434513 is 31543416.

61434513 is a `hidden beast` number, since 6 + 143 + 4 + 513 = 666.

61434513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61434513 - 24 = 61434497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61434613) 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 11 ways as a sum of consecutive naturals, for example, 487513 + ... + 487638.

Almost surely, 261434513 is an apocalyptic number.

61434513 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

61434513 is a deficient number, since it is larger than the sum of its proper divisors (39981295).

61434513 is a wasteful number, since it uses less digits than its factorization.

61434513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975164 (or 975161 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 61434513 is about 7838.0171599710. The cubic root of 61434513 is about 394.5821849237.

Adding to 61434513 its reverse (31543416), we get a palindrome (92977929).

The spelling of 61434513 in words is "sixty-one million, four hundred thirty-four thousand, five hundred thirteen".

Divisors: 1 3 7 9 21 63 975151 2925453 6826057 8776359 20478171 61434513