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87450341 = 1129274139
BaseRepresentation
bin1010011011001…
…10001011100101
320002112221022112
411031212023211
5134341402331
612402210405
72111213156
oct515461345
9202487275
1087450341
11453aa810
1225353a05
131516b584
14b88592d
157a2632b
hex53662e5

87450341 has 8 divisors (see below), whose sum is σ = 98690400. Its totient is φ = 76758640.

The previous prime is 87450323. The next prime is 87450353. The reversal of 87450341 is 14305478.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87450341 - 222 = 83256037 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 87450298 and 87450307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87450241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136751 + ... + 137388.

It is an arithmetic number, because the mean of its divisors is an integer number (12336300).

Almost surely, 287450341 is an apocalyptic number.

It is an amenable number.

87450341 is a deficient number, since it is larger than the sum of its proper divisors (11240059).

87450341 is a wasteful number, since it uses less digits than its factorization.

87450341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274179.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 87450341 is about 9351.4887050138. The cubic root of 87450341 is about 443.8679994070.

It can be divided in two parts, 874 and 50341, that added together give a palindrome (51215).

The spelling of 87450341 in words is "eighty-seven million, four hundred fifty thousand, three hundred forty-one".

Divisors: 1 11 29 319 274139 3015529 7950031 87450341