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195387814 = 297693907
BaseRepresentation
bin10111010010101…
…10000110100110
3111121122201200201
423221112012212
5400004402224
631215501114
74561524526
oct1351260646
9447581621
10195387814
11a0322836
125552779a
1331630bbb
141bd41686
1512247a44
hexba561a6

195387814 has 4 divisors (see below), whose sum is σ = 293081724. Its totient is φ = 97693906.

The previous prime is 195387799. The next prime is 195387869. The reversal of 195387814 is 418783591.

It is a happy number.

195387814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 418783591 = 4007104513.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48846952 + ... + 48846955.

It is an arithmetic number, because the mean of its divisors is an integer number (73270431).

Almost surely, 2195387814 is an apocalyptic number.

195387814 is a deficient number, since it is larger than the sum of its proper divisors (97693910).

195387814 is an equidigital number, since it uses as much as digits as its factorization.

195387814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97693909.

The product of its digits is 241920, while the sum is 46.

The square root of 195387814 is about 13978.1191152458. The cubic root of 195387814 is about 580.2731709638.

The spelling of 195387814 in words is "one hundred ninety-five million, three hundred eighty-seven thousand, eight hundred fourteen".

Divisors: 1 2 97693907 195387814