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264172271 = 1129178233
BaseRepresentation
bin11111011111011…
…11001011101111
3200102002100020012
433233233023233
51020112003041
642114043435
76355266356
oct1757571357
9612070205
10264172271
111261335a0
127457957b
134296536c
142712899d
15182d33eb
hexfbef2ef

264172271 has 8 divisors (see below), whose sum is σ = 288321744. Its totient is φ = 240045120.

The previous prime is 264172261. The next prime is 264172277. The reversal of 264172271 is 172271462.

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 264172271 - 210 = 264171247 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 (264172277) 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, 27971 + ... + 36203.

It is an arithmetic number, because the mean of its divisors is an integer number (36040218).

Almost surely, 2264172271 is an apocalyptic number.

264172271 is a deficient number, since it is larger than the sum of its proper divisors (24149473).

264172271 is a wasteful number, since it uses less digits than its factorization.

264172271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11161.

The product of its digits is 9408, while the sum is 32.

The square root of 264172271 is about 16253.3772182891. The cubic root of 264172271 is about 641.6463723122.

The spelling of 264172271 in words is "two hundred sixty-four million, one hundred seventy-two thousand, two hundred seventy-one".

Divisors: 1 11 2917 8233 32087 90563 24015661 264172271