Search a number
-
+
70069804 = 22721312729
BaseRepresentation
bin1000010110100…
…10111000101100
311212211220200221
410023102320230
5120414213204
610541501124
71510404100
oct413227054
9155756627
1070069804
1136609532
121b5717a4
131169452c
14943d900
156241654
hex42d2e2c

70069804 has 36 divisors (see below), whose sum is σ = 143783640. Its totient is φ = 29789760.

The previous prime is 70069717. The next prime is 70069817. The reversal of 70069804 is 40896007.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 70069804.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24312 + ... + 27040.

It is an arithmetic number, because the mean of its divisors is an integer number (3993990).

Almost surely, 270069804 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70069804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71891820).

70069804 is an abundant number, since it is smaller than the sum of its proper divisors (73713836).

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

70069804 is a wasteful number, since it uses less digits than its factorization.

70069804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2878 (or 2869 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 70069804 is about 8370.7708127747. The cubic root of 70069804 is about 412.2654759934.

The spelling of 70069804 in words is "seventy million, sixty-nine thousand, eight hundred four".

Divisors: 1 2 4 7 14 28 49 98 131 196 262 524 917 1834 2729 3668 5458 6419 10916 12838 19103 25676 38206 76412 133721 267442 357499 534884 714998 1429996 2502493 5004986 10009972 17517451 35034902 70069804