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42285492 = 22326611777
BaseRepresentation
bin1010000101001…
…1100110110100
32221120022210100
42201103212310
541311113432
64110154100
71022264214
oct241234664
987508710
1042285492
1121961797
12121b2930
1389b6c02
14588a244
153aa407c
hex28539b4

42285492 has 36 divisors (see below), whose sum is σ = 107110276. Its totient is φ = 14065920.

The previous prime is 42285491. The next prime is 42285493. The reversal of 42285492 is 29458224.

It is an interprime number because it is at equal distance from previous prime (42285491) and next prime (42285493).

It can be written as a sum of positive squares in 2 ways, for example, as 27815076 + 14470416 = 5274^2 + 3804^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42285491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22908 + ... + 24684.

Almost surely, 242285492 is an apocalyptic number.

It is an amenable number.

42285492 is an abundant number, since it is smaller than the sum of its proper divisors (64824784).

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

42285492 is a wasteful number, since it uses less digits than its factorization.

42285492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448 (or 2443 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 42285492 is about 6502.7295807222. The cubic root of 42285492 is about 348.3884880702.

The spelling of 42285492 in words is "forty-two million, two hundred eighty-five thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 18 36 661 1322 1777 1983 2644 3554 3966 5331 5949 7108 7932 10662 11898 15993 21324 23796 31986 63972 1174597 2349194 3523791 4698388 7047582 10571373 14095164 21142746 42285492