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42901428 = 2233575119
BaseRepresentation
bin1010001110100…
…1111110110100
32222201121200210
42203221332310
541440321203
64131305420
71030441023
oct243517664
988647623
1042901428
1122242529
121244b270
138b7137b
1459aa8ba
153b76803
hex28e9fb4

42901428 has 12 divisors (see below), whose sum is σ = 100103360. Its totient is φ = 14300472.

The previous prime is 42901423. The next prime is 42901429. The reversal of 42901428 is 82410924.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 42901395 and 42901404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42901423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1787548 + ... + 1787571.

Almost surely, 242901428 is an apocalyptic number.

It is an amenable number.

42901428 is an abundant number, since it is smaller than the sum of its proper divisors (57201932).

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

42901428 is a wasteful number, since it uses less digits than its factorization.

42901428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3575126 (or 3575124 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 42901428 is about 6549.9181674277. The cubic root of 42901428 is about 350.0718981546.

The spelling of 42901428 in words is "forty-two million, nine hundred one thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 3575119 7150238 10725357 14300476 21450714 42901428