Search a number
-
+
87353397 = 35359479
BaseRepresentation
bin1010011010011…
…10100000110101
320002101000100000
411031032200311
5134330302042
612400141513
72110330425
oct515164065
9202330300
1087353397
114534399a
1225307899
1315136401
14b85c485
157a0774c
hex534e835

87353397 has 12 divisors (see below), whose sum is σ = 130850720. Its totient is φ = 58235436.

The previous prime is 87353389. The next prime is 87353417. The reversal of 87353397 is 79335378.

It is not a de Polignac number, because 87353397 - 23 = 87353389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87353347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 179497 + ... + 179982.

Almost surely, 287353397 is an apocalyptic number.

It is an amenable number.

87353397 is a deficient number, since it is larger than the sum of its proper divisors (43497323).

87353397 is an equidigital number, since it uses as much as digits as its factorization.

87353397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359494 (or 359482 counting only the distinct ones).

The product of its digits is 476280, while the sum is 45.

The square root of 87353397 is about 9346.3039218720. The cubic root of 87353397 is about 443.7039205740.

The spelling of 87353397 in words is "eighty-seven million, three hundred fifty-three thousand, three hundred ninety-seven".

Divisors: 1 3 9 27 81 243 359479 1078437 3235311 9705933 29117799 87353397