Search a number
-
+
70474249 = 193979343
BaseRepresentation
bin1000011001101…
…01101000001001
311220121110111101
410030311220021
5121020133444
610554301401
71514010166
oct414655011
9156543441
1070474249
113686538a
121b727861
13117a6651
14950706d
1562c13d4
hex4335a09

70474249 has 8 divisors (see below), whose sum is σ = 74378240. Its totient is φ = 66589776.

The previous prime is 70474237. The next prime is 70474279. The reversal of 70474249 is 94247407.

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 70474249 - 29 = 70473737 is a prime.

It is a super-2 number, since 2×704742492 = 9933239544228002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70474279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2872 + ... + 12214.

It is an arithmetic number, because the mean of its divisors is an integer number (9297280).

Almost surely, 270474249 is an apocalyptic number.

It is an amenable number.

70474249 is a deficient number, since it is larger than the sum of its proper divisors (3903991).

70474249 is a wasteful number, since it uses less digits than its factorization.

70474249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9759.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 70474249 is about 8394.8942220852. The cubic root of 70474249 is about 413.0571576156.

The spelling of 70474249 in words is "seventy million, four hundred seventy-four thousand, two hundred forty-nine".

Divisors: 1 19 397 7543 9343 177517 3709171 70474249