Search a number
-
+
87070367 = 476532837
BaseRepresentation
bin1010011000010…
…01011010011111
320001211122002102
411030021122133
5134242222432
612350115315
72105041316
oct514113237
9201748072
1087070367
114517028a
12251abb3b
1315067637
14b7c727d
15799d962
hex530969f

87070367 has 8 divisors (see below), whose sum is σ = 89090496. Its totient is φ = 85057312.

The previous prime is 87070349. The next prime is 87070411. The reversal of 87070367 is 76307078.

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 87070367 - 26 = 87070303 is a prime.

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

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 87070367.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87070307) 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, 29273 + ... + 32109.

It is an arithmetic number, because the mean of its divisors is an integer number (11136312).

Almost surely, 287070367 is an apocalyptic number.

87070367 is a deficient number, since it is larger than the sum of its proper divisors (2020129).

87070367 is a wasteful number, since it uses less digits than its factorization.

87070367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3537.

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 87070367 is about 9331.1503578069. The cubic root of 87070367 is about 443.2241933965.

The spelling of 87070367 in words is "eighty-seven million, seventy thousand, three hundred sixty-seven".

Divisors: 1 47 653 2837 30691 133339 1852561 87070367