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42792122 = 221619901
BaseRepresentation
bin1010001100111…
…1010010111010
32222112001202102
42203033102322
541423321442
64125103402
71026504242
oct243172272
988461672
1042792122
112217839a
12123b7b62
138b336a9
14597cb22
153b54232
hex28cf4ba

42792122 has 8 divisors (see below), whose sum is σ = 64224372. Its totient is φ = 21384000.

The previous prime is 42792107. The next prime is 42792133. The reversal of 42792122 is 22129724.

It can be written as a sum of positive squares in 2 ways, for example, as 37589161 + 5202961 = 6131^2 + 2281^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 629 + ... + 9272.

Almost surely, 242792122 is an apocalyptic number.

42792122 is a deficient number, since it is larger than the sum of its proper divisors (21432250).

42792122 is a wasteful number, since it uses less digits than its factorization.

42792122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12064.

The product of its digits is 4032, while the sum is 29.

The square root of 42792122 is about 6541.5687720913. The cubic root of 42792122 is about 349.7743361663.

The spelling of 42792122 in words is "forty-two million, seven hundred ninety-two thousand, one hundred twenty-two".

Divisors: 1 2 2161 4322 9901 19802 21396061 42792122