Search a number
-
+
70016884 = 2272357229
BaseRepresentation
bin1000010110001…
…01111101110100
311212202020002221
410023011331310
5120411020014
610540412124
71510063600
oct413057564
9155666087
1070016884
11365827a3
121b547044
1311676412
149428500
156230b24
hex42c5f74

70016884 has 18 divisors (see below), whose sum is σ = 142534770. Its totient is φ = 30007152.

The previous prime is 70016873. The next prime is 70016909. The reversal of 70016884 is 48861007.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 64352484 + 5664400 = 8022^2 + 2380^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 178419 + ... + 178810.

Almost surely, 270016884 is an apocalyptic number.

It is an amenable number.

70016884 is an abundant number, since it is smaller than the sum of its proper divisors (72517886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70016884 is a wasteful number, since it uses less digits than its factorization.

70016884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357247 (or 357238 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 70016884 is about 8367.6092164967. The cubic root of 70016884 is about 412.1616624510.

The spelling of 70016884 in words is "seventy million, sixteen thousand, eight hundred eighty-four".

Divisors: 1 2 4 7 14 28 49 98 196 357229 714458 1428916 2500603 5001206 10002412 17504221 35008442 70016884