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83042474 = 241521237
BaseRepresentation
bin1001111001100…
…10000010101010
312210020222212012
410330302002222
5132224324344
612123515522
72025564224
oct474620252
9183228765
1083042474
114296a049
1223988ba2
1314287178
14b059414
15745529e
hex4f320aa

83042474 has 4 divisors (see below), whose sum is σ = 124563714. Its totient is φ = 41521236.

The previous prime is 83042473. The next prime is 83042527. The reversal of 83042474 is 47424038.

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

It can be written as a sum of positive squares in only one way, i.e., 44689225 + 38353249 = 6685^2 + 6193^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 83042474.

It is not an unprimeable number, because it can be changed into a prime (83042471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20760617 + ... + 20760620.

Almost surely, 283042474 is an apocalyptic number.

83042474 is a deficient number, since it is larger than the sum of its proper divisors (41521240).

83042474 is a wasteful number, since it uses less digits than its factorization.

83042474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41521239.

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 83042474 is about 9112.7643445883. The cubic root of 83042474 is about 436.2814619225.

The spelling of 83042474 in words is "eighty-three million, forty-two thousand, four hundred seventy-four".

Divisors: 1 2 41521237 83042474