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272073471 = 390691157
BaseRepresentation
bin10000001101111…
…000001011111111
3200221221202122020
4100031320023333
51024122322341
642555251223
76512405055
oct2015701377
9627852566
10272073471
1112a63a90a
1277149b13
13444a0827
14281c41d5
1518d44566
hex103782ff

272073471 has 4 divisors (see below), whose sum is σ = 362764632. Its totient is φ = 181382312.

The previous prime is 272073353. The next prime is 272073493. The reversal of 272073471 is 174370272.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 272073471 - 27 = 272073343 is a prime.

It is a super-3 number, since 3×2720734713 (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272073671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45345576 + ... + 45345581.

It is an arithmetic number, because the mean of its divisors is an integer number (90691158).

Almost surely, 2272073471 is an apocalyptic number.

272073471 is a deficient number, since it is larger than the sum of its proper divisors (90691161).

272073471 is an equidigital number, since it uses as much as digits as its factorization.

272073471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90691160.

The product of its (nonzero) digits is 16464, while the sum is 33.

The square root of 272073471 is about 16494.6497689402. The cubic root of 272073471 is about 647.9806926308.

The spelling of 272073471 in words is "two hundred seventy-two million, seventy-three thousand, four hundred seventy-one".

Divisors: 1 3 90691157 272073471