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854923972 = 227238911213
BaseRepresentation
bin110010111101010…
…001101011000100
32012120200122012211
4302331101223010
53222330031342
6220455553204
730120506500
oct6275215304
92176618184
10854923972
113a9645041
121ba38b804
13108173596
1481785300
15500c5c17
hex32f51ac4

854923972 has 36 divisors (see below), whose sum is σ = 1745010540. Its totient is φ = 365421504.

The previous prime is 854923939. The next prime is 854923991. The reversal of 854923972 is 279329458.

854923972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 102738496 + 752185476 = 10136^2 + 27426^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

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, 70638 + ... + 81850.

It is an arithmetic number, because the mean of its divisors is an integer number (48472515).

Almost surely, 2854923972 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 854923972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (872505270).

854923972 is an abundant number, since it is smaller than the sum of its proper divisors (890086568).

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

854923972 is a wasteful number, since it uses less digits than its factorization.

854923972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11620 (or 11611 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

The square root of 854923972 is about 29239.0829541557. The cubic root of 854923972 is about 949.0938624750.

The spelling of 854923972 in words is "eight hundred fifty-four million, nine hundred twenty-three thousand, nine hundred seventy-two".

Divisors: 1 2 4 7 14 28 49 98 196 389 778 1556 2723 5446 10892 11213 19061 22426 38122 44852 76244 78491 156982 313964 549437 1098874 2197748 4361857 8723714 17447428 30532999 61065998 122131996 213730993 427461986 854923972