Search a number
-
+
195220572 = 22316268381
BaseRepresentation
bin10111010001011…
…01010001011100
3111121100020021120
423220231101130
5344434024242
631212130540
74560230121
oct1350552134
9447306246
10195220572
11a0219118
1255466a50
13315a2a41
141bcda748
15122131ec
hexba2d45c

195220572 has 12 divisors (see below), whose sum is σ = 455514696. Its totient is φ = 65073520.

The previous prime is 195220567. The next prime is 195220589. The reversal of 195220572 is 275022591.

It is a happy number.

195220572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1952205722 = 76222143464014368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8134179 + ... + 8134202.

It is an arithmetic number, because the mean of its divisors is an integer number (37959558).

Almost surely, 2195220572 is an apocalyptic number.

195220572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

195220572 is an abundant number, since it is smaller than the sum of its proper divisors (260294124).

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

195220572 is a wasteful number, since it uses less digits than its factorization.

195220572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16268388 (or 16268386 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 195220572 is about 13972.1355561704. The cubic root of 195220572 is about 580.1075622945.

The spelling of 195220572 in words is "one hundred ninety-five million, two hundred twenty thousand, five hundred seventy-two".

Divisors: 1 2 3 4 6 12 16268381 32536762 48805143 65073524 97610286 195220572