Search a number
-
+
70098948 = 22321947193
BaseRepresentation
bin1000010110110…
…10000000000100
311212220101200100
410023122000010
5120421131243
610542244100
71510555053
oct413320004
9155811610
1070098948
1136629417
121b586630
13116a488a
14944a39a
15624a0d3
hex42da004

70098948 has 18 divisors (see below), whose sum is σ = 177194654. Its totient is φ = 23366304.

The previous prime is 70098937. The next prime is 70098983. The reversal of 70098948 is 84989007.

It can be written as a sum of positive squares in only one way, i.e., 44515584 + 25583364 = 6672^2 + 5058^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×700989483 (a number of 25 digits) contains 333 as substring.

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, 973561 + ... + 973632.

Almost surely, 270098948 is an apocalyptic number.

It is an amenable number.

70098948 is an abundant number, since it is smaller than the sum of its proper divisors (107095706).

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

70098948 is a wasteful number, since it uses less digits than its factorization.

70098948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1947203 (or 1947198 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 70098948 is about 8372.5114511716. The cubic root of 70098948 is about 412.3226256686.

The spelling of 70098948 in words is "seventy million, ninety-eight thousand, nine hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 1947193 3894386 5841579 7788772 11683158 17524737 23366316 35049474 70098948