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87079485 = 3547123517
BaseRepresentation
bin1010011000010…
…11101000111101
320001212002121010
411030023220331
5134243020420
612350225433
72105110023
oct514135075
9201762533
1087079485
1145177119
12251b5279
131506b82c
14b7ca713
1579a14e0
hex530ba3d

87079485 has 16 divisors (see below), whose sum is σ = 142292736. Its totient is φ = 45453888.

The previous prime is 87079483. The next prime is 87079501. The reversal of 87079485 is 58497078.

It is not a de Polignac number, because 87079485 - 21 = 87079483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87079481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61054 + ... + 62463.

It is an arithmetic number, because the mean of its divisors is an integer number (8893296).

Almost surely, 287079485 is an apocalyptic number.

It is an amenable number.

87079485 is a deficient number, since it is larger than the sum of its proper divisors (55213251).

87079485 is a wasteful number, since it uses less digits than its factorization.

87079485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123572.

The product of its (nonzero) digits is 564480, while the sum is 48.

The square root of 87079485 is about 9331.6389235761. The cubic root of 87079485 is about 443.2396643207.

The spelling of 87079485 in words is "eighty-seven million, seventy-nine thousand, four hundred eighty-five".

Divisors: 1 3 5 15 47 141 235 705 123517 370551 617585 1852755 5805299 17415897 29026495 87079485