Search a number
-
+
159264397 = 239771387
BaseRepresentation
bin10010111111000…
…10111010001101
3102002200110200101
421133202322031
5311232430042
623445331101
73642503455
oct1137427215
9362613611
10159264397
118199a776
1245406a91
1326cc39b6
141721ad65
15deae6b7
hex97e2e8d

159264397 has 8 divisors (see below), whose sum is σ = 167904576. Its totient is φ = 150767232.

The previous prime is 159264383. The next prime is 159264401. The reversal of 159264397 is 793462951.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 159264397 - 211 = 159262349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159268397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33463 + ... + 37924.

It is an arithmetic number, because the mean of its divisors is an integer number (20988072).

Almost surely, 2159264397 is an apocalyptic number.

It is an amenable number.

159264397 is a deficient number, since it is larger than the sum of its proper divisors (8640179).

159264397 is an equidigital number, since it uses as much as digits as its factorization.

159264397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71507.

The product of its digits is 408240, while the sum is 46.

The square root of 159264397 is about 12619.9998811410. Note that the first 3 decimals coincide. The cubic root of 159264397 is about 542.0502726570.

The spelling of 159264397 in words is "one hundred fifty-nine million, two hundred sixty-four thousand, three hundred ninety-seven".

Divisors: 1 23 97 2231 71387 1641901 6924539 159264397