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195031044 = 223313314481
BaseRepresentation
bin10111001111111…
…11000000000100
3111120222121022000
423213333000010
5344411443134
631204105300
74555510425
oct1347770004
9446877260
10195031044
11a00a978a
1255395230
13315376b0
141bc8b64c
15121c6e99
hexb9ff004

195031044 has 96 divisors (see below), whose sum is σ = 562222080. Its totient is φ = 58060800.

The previous prime is 195031027. The next prime is 195031063. The reversal of 195031044 is 440130591.

195031044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 195030999 and 195031017.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41284 + ... + 45764.

It is an arithmetic number, because the mean of its divisors is an integer number (5856480).

Almost surely, 2195031044 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 195031044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281111040).

195031044 is an abundant number, since it is smaller than the sum of its proper divisors (367191036).

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

195031044 is a wasteful number, since it uses less digits than its factorization.

195031044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4538 (or 4530 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 195031044 is about 13965.3515530401. The cubic root of 195031044 is about 579.9197709083.

The spelling of 195031044 in words is "one hundred ninety-five million, thirty-one thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 13 18 26 27 31 36 39 52 54 62 78 93 108 117 124 156 186 234 279 351 372 403 468 558 702 806 837 1116 1209 1404 1612 1674 2418 3348 3627 4481 4836 7254 8962 10881 13443 14508 17924 21762 26886 40329 43524 53772 58253 80658 116506 120987 138911 161316 174759 233012 241974 277822 349518 416733 483948 524277 555644 699036 833466 1048554 1250199 1572831 1666932 1805843 2097108 2500398 3145662 3611686 3750597 5000796 5417529 6291324 7223372 7501194 10835058 15002388 16252587 21670116 32505174 48757761 65010348 97515522 195031044