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42105514 = 2114347947
BaseRepresentation
bin1010000010011…
…1101010101010
32221020011220111
42200213222222
541234334024
64102244534
71020614413
oct240475252
987204814
1042105514
1121849550
121212674a
138953009
14584080a
153a6aa94
hex2827aaa

42105514 has 32 divisors (see below), whose sum is σ = 72078336. Its totient is φ = 18276720.

The previous prime is 42105493. The next prime is 42105523. The reversal of 42105514 is 41550124.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43989 + ... + 44935.

It is an arithmetic number, because the mean of its divisors is an integer number (2252448).

Almost surely, 242105514 is an apocalyptic number.

42105514 is a deficient number, since it is larger than the sum of its proper divisors (29972822).

42105514 is a wasteful number, since it uses less digits than its factorization.

42105514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 42105514 is about 6488.8761738840. The cubic root of 42105514 is about 347.8935079537.

Adding to 42105514 its reverse (41550124), we get a palindrome (83655638).

The spelling of 42105514 in words is "forty-two million, one hundred five thousand, five hundred fourteen".

Divisors: 1 2 11 22 43 47 86 94 473 517 946 947 1034 1894 2021 4042 10417 20834 22231 40721 44462 44509 81442 89018 447931 489599 895862 979198 1913887 3827774 21052757 42105514