Search a number
-
+
72870935 = 545731891
BaseRepresentation
bin1000101011111…
…10110000010111
312002010020010112
410111332300113
5122123332220
611121513235
71543251464
oct425766027
9162106115
1072870935
1138152015
12204a281b
13121354c7
14996c66b
1565e65c5
hex457ec17

72870935 has 8 divisors (see below), whose sum is σ = 87639216. Its totient is φ = 58167360.

The previous prime is 72870913. The next prime is 72870953. The reversal of 72870935 is 53907827.

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

It is not a de Polignac number, because 72870935 - 212 = 72866839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72870892 and 72870901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13661 + ... + 18230.

It is an arithmetic number, because the mean of its divisors is an integer number (10954902).

Almost surely, 272870935 is an apocalyptic number.

72870935 is a deficient number, since it is larger than the sum of its proper divisors (14768281).

72870935 is a wasteful number, since it uses less digits than its factorization.

72870935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32353.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 72870935 is about 8536.4474460984. The cubic root of 72870935 is about 417.6874700406.

The spelling of 72870935 in words is "seventy-two million, eight hundred seventy thousand, nine hundred thirty-five".

Divisors: 1 5 457 2285 31891 159455 14574187 72870935