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42453201 = 37191031033
BaseRepresentation
bin1010000111110…
…0100011010001
32221212211211210
42201330203101
541332000301
64113530333
71023563160
oct241744321
987784753
1042453201
1121a6679a
12122739a9
138a4534b
1458d13d7
153ad8ad6
hex287c8d1

42453201 has 32 divisors (see below), whose sum is σ = 68823040. Its totient is φ = 22737024.

The previous prime is 42453181. The next prime is 42453221. The reversal of 42453201 is 10235424.

It is an interprime number because it is at equal distance from previous prime (42453181) and next prime (42453221).

It is not a de Polignac number, because 42453201 - 26 = 42453137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42453221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40581 + ... + 41613.

It is an arithmetic number, because the mean of its divisors is an integer number (2150720).

Almost surely, 242453201 is an apocalyptic number.

It is an amenable number.

42453201 is a deficient number, since it is larger than the sum of its proper divisors (26369839).

42453201 is a wasteful number, since it uses less digits than its factorization.

42453201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 42453201 is about 6515.6120971095. The cubic root of 42453201 is about 348.8484630963.

Adding to 42453201 its reverse (10235424), we get a palindrome (52688625).

The spelling of 42453201 in words is "forty-two million, four hundred fifty-three thousand, two hundred one".

Divisors: 1 3 7 19 21 57 103 133 309 399 721 1033 1957 2163 3099 5871 7231 13699 19627 21693 41097 58881 106399 137389 319197 412167 744793 2021581 2234379 6064743 14151067 42453201