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42107454 = 2322339303
BaseRepresentation
bin1010000010100…
…0001000111110
32221020021120100
42200220020332
541234414304
64102301530
71020623154
oct240501076
987207510
1042107454
112184aa54
12121278a6
138953b6c
1458413d4
153a6b439
hex282823e

42107454 has 12 divisors (see below), whose sum is σ = 91232856. Its totient is φ = 14035812.

The previous prime is 42107447. The next prime is 42107479. The reversal of 42107454 is 45470124.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1169634 + ... + 1169669.

It is an arithmetic number, because the mean of its divisors is an integer number (7602738).

Almost surely, 242107454 is an apocalyptic number.

42107454 is an abundant number, since it is smaller than the sum of its proper divisors (49125402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42107454 is a wasteful number, since it uses less digits than its factorization.

42107454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2339311 (or 2339308 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 42107454 is about 6489.0256587565. The cubic root of 42107454 is about 347.8988509043.

Adding to 42107454 its reverse (45470124), we get a palindrome (87577578).

It can be divided in two parts, 4210 and 7454, that added together give a square (11664 = 1082).

The spelling of 42107454 in words is "forty-two million, one hundred seven thousand, four hundred fifty-four".

Divisors: 1 2 3 6 9 18 2339303 4678606 7017909 14035818 21053727 42107454