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61143034 = 230571517
BaseRepresentation
bin1110100100111…
…1011111111010
311021001101110211
43221033133322
5111123034114
610022301334
71341464401
oct351173772
9137041424
1061143034
1131571737
121858784a
13c88a314
148198638
15557b6c4
hex3a4f7fa

61143034 has 4 divisors (see below), whose sum is σ = 91714554. Its totient is φ = 30571516.

The previous prime is 61143031. The next prime is 61143037. The reversal of 61143034 is 43034116.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (61143031) and next prime (61143037).

It can be written as a sum of positive squares in only one way, i.e., 39100009 + 22043025 = 6253^2 + 4695^2 .

It is a junction number, because it is equal to n+sod(n) for n = 61142996 and 61143014.

It is not an unprimeable number, because it can be changed into a prime (61143031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15285757 + ... + 15285760.

Almost surely, 261143034 is an apocalyptic number.

61143034 is a deficient number, since it is larger than the sum of its proper divisors (30571520).

61143034 is a wasteful number, since it uses less digits than its factorization.

61143034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30571519.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 61143034 is about 7819.4011279637. The cubic root of 61143034 is about 393.9571573401.

The spelling of 61143034 in words is "sixty-one million, one hundred forty-three thousand, thirty-four".

Divisors: 1 2 30571517 61143034