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87374341 = 636713723
BaseRepresentation
bin1010011010100…
…11101000000101
320002102002001201
411031103220011
5134331434331
612400422501
72110445455
oct515235005
9202362051
1087374341
11453586aa
1225317a31
1315142ac2
14b865d65
157a0da61
hex5353a05

87374341 has 4 divisors (see below), whose sum is σ = 87394432. Its totient is φ = 87354252.

The previous prime is 87374317. The next prime is 87374347. The reversal of 87374341 is 14347378.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14347378 = 27173689.

It is a cyclic number.

It is not a de Polignac number, because 87374341 - 211 = 87372293 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 87374341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87374347) 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, 495 + ... + 13228.

It is an arithmetic number, because the mean of its divisors is an integer number (21848608).

Almost surely, 287374341 is an apocalyptic number.

It is an amenable number.

87374341 is a deficient number, since it is larger than the sum of its proper divisors (20091).

87374341 is a wasteful number, since it uses less digits than its factorization.

87374341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20090.

The product of its digits is 56448, while the sum is 37.

The square root of 87374341 is about 9347.4242976341. The cubic root of 87374341 is about 443.7393788108.

The spelling of 87374341 in words is "eighty-seven million, three hundred seventy-four thousand, three hundred forty-one".

Divisors: 1 6367 13723 87374341