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61443234 = 2323413513
BaseRepresentation
bin1110101001100…
…0110010100010
311021121122021100
43222120302202
5111212140414
610032535230
71344154536
oct352306242
9137548240
1061443234
1131757236
12186b1516
13c963b58
148235bc6
1555da609
hex3a98ca2

61443234 has 12 divisors (see below), whose sum is σ = 133127046. Its totient is φ = 20481072.

The previous prime is 61443233. The next prime is 61443247. The reversal of 61443234 is 43234416.

61443234 is a `hidden beast` number, since 614 + 43 + 2 + 3 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 47403225 + 14040009 = 6885^2 + 3747^2 .

It is a junction number, because it is equal to n+sod(n) for n = 61443198 and 61443207.

It is not an unprimeable number, because it can be changed into a prime (61443233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1706739 + ... + 1706774.

Almost surely, 261443234 is an apocalyptic number.

61443234 is an abundant number, since it is smaller than the sum of its proper divisors (71683812).

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

61443234 is a wasteful number, since it uses less digits than its factorization.

61443234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3413521 (or 3413518 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 61443234 is about 7838.5734671559. The cubic root of 61443234 is about 394.6008551480.

The spelling of 61443234 in words is "sixty-one million, four hundred forty-three thousand, two hundred thirty-four".

Divisors: 1 2 3 6 9 18 3413513 6827026 10240539 20481078 30721617 61443234