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42107546 = 2135330557
BaseRepresentation
bin1010000010100…
…0001010011010
32221020021200202
42200220022122
541234420141
64102302202
71020623345
oct240501232
987207622
1042107546
1121850028
1212127962
138953c10
14584145c
153a6b49b
hex282829a

42107546 has 16 divisors (see below), whose sum is σ = 69305544. Its totient is φ = 19066944.

The previous prime is 42107543. The next prime is 42107551. The reversal of 42107546 is 64570124.

It can be written as a sum of positive squares in 4 ways, for example, as 23280625 + 18826921 = 4825^2 + 4339^2 .

It is not an unprimeable number, because it can be changed into a prime (42107543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13901 + ... + 16656.

Almost surely, 242107546 is an apocalyptic number.

42107546 is a deficient number, since it is larger than the sum of its proper divisors (27197998).

42107546 is a wasteful number, since it uses less digits than its factorization.

42107546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30625.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 42107546 is about 6489.0327476443. The cubic root of 42107546 is about 347.8991042772.

The spelling of 42107546 in words is "forty-two million, one hundred seven thousand, five hundred forty-six".

Divisors: 1 2 13 26 53 106 689 1378 30557 61114 397241 794482 1619521 3239042 21053773 42107546