Search a number
-
+
195243048 = 233472111343
BaseRepresentation
bin10111010001100…
…10110000101000
3111121101101010000
423220302300220
5344440234143
631212423000
74560352500
oct1350626050
9447341100
10195243048
11a0233aa0
1255477a60
13315b0040
141bd04a00
1512219bd3
hexba32c28

195243048 has 480 divisors, whose sum is σ = 764739360. Its totient is φ = 45722880.

The previous prime is 195243023. The next prime is 195243073. The reversal of 195243048 is 840342591.

It is an interprime number because it is at equal distance from previous prime (195243023) and next prime (195243073).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 4540515 + ... + 4540557.

It is an arithmetic number, because the mean of its divisors is an integer number (1593207).

Almost surely, 2195243048 is an apocalyptic number.

195243048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195243048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (382369680).

195243048 is an abundant number, since it is smaller than the sum of its proper divisors (569496312).

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

195243048 is a wasteful number, since it uses less digits than its factorization.

195243048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 195243048 is about 13972.9398481494. The cubic root of 195243048 is about 580.1298242878.

The spelling of 195243048 in words is "one hundred ninety-five million, two hundred forty-three thousand, forty-eight".