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42989046244 = 221036692
BaseRepresentation
bin101000000010010110…
…001100100111100100
311002221222110211002221
4220002112030213210
51201020143434434
631425432242124
73051210602224
oct500226144744
9132858424087
1042989046244
11172602177a1
1283b8b40344
134091400091
14211b562084
1511b91152b4
hexa0258c9e4

42989046244 has 9 divisors (see below), whose sum is σ = 75231556617. Its totient is φ = 21494315784.

The previous prime is 42989046227. The next prime is 42989046251. The reversal of 42989046244 is 44264098924.

The square root of 42989046244 is 207338.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 31350951844 + 11638094400 = 177062^2 + 107880^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42989046191 and 42989046200.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 362842 + ... + 466510.

Almost surely, 242989046244 is an apocalyptic number.

42989046244 is the 207338-th square number.

It is an amenable number.

42989046244 is a deficient number, since it is larger than the sum of its proper divisors (32242510373).

42989046244 is an frugal number, since it uses more digits than its factorization.

42989046244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207342 (or 103671 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 52.

The spelling of 42989046244 in words is "forty-two billion, nine hundred eighty-nine million, forty-six thousand, two hundred forty-four".

Divisors: 1 2 4 103669 207338 414676 10747261561 21494523122 42989046244