Search a number
-
+
71924946 = 2347255053
BaseRepresentation
bin1000100100101…
…11110011010010
312000100011110220
410102113303102
5121403044241
611045333510
71532231502
oct422276322
9160304426
1071924946
1137666305
1220107296
1311b93a52
1497a3a02
1564ab166
hex4497cd2

71924946 has 16 divisors (see below), whose sum is σ = 146911104. Its totient is φ = 23464784.

The previous prime is 71924927. The next prime is 71924971. The reversal of 71924946 is 64942917.

It is a junction number, because it is equal to n+sod(n) for n = 71924898 and 71924907.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127245 + ... + 127808.

It is an arithmetic number, because the mean of its divisors is an integer number (9181944).

Almost surely, 271924946 is an apocalyptic number.

71924946 is an abundant number, since it is smaller than the sum of its proper divisors (74986158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71924946 is a wasteful number, since it uses less digits than its factorization.

71924946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255105.

The product of its digits is 108864, while the sum is 42.

The square root of 71924946 is about 8480.8576217267. The cubic root of 71924946 is about 415.8721600830.

The spelling of 71924946 in words is "seventy-one million, nine hundred twenty-four thousand, nine hundred forty-six".

Divisors: 1 2 3 6 47 94 141 282 255053 510106 765159 1530318 11987491 23974982 35962473 71924946