Search a number
-
+
27091948 = 221317191613
BaseRepresentation
bin110011101011…
…0001111101100
31212222102011111
41213112033230
523413420243
62404401404
7446164162
oct147261754
955872144
1027091948
1114324644
1290a6264
1357c7450
143853232
1525a239d
hex19d63ec

27091948 has 48 divisors (see below), whose sum is σ = 56941920. Its totient is φ = 11142144.

The previous prime is 27091943. The next prime is 27091949. The reversal of 27091948 is 84919072.

It is a self number, because there is not a number n which added to its sum of digits gives 27091948.

It is not an unprimeable number, because it can be changed into a prime (27091943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15990 + ... + 17602.

It is an arithmetic number, because the mean of its divisors is an integer number (1186290).

Almost surely, 227091948 is an apocalyptic number.

It is an amenable number.

27091948 is an abundant number, since it is smaller than the sum of its proper divisors (29849972).

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

27091948 is a wasteful number, since it uses less digits than its factorization.

27091948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666 (or 1664 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 27091948 is about 5204.9926032608. The cubic root of 27091948 is about 300.3401623011.

The spelling of 27091948 in words is "twenty-seven million, ninety-one thousand, nine hundred forty-eight".

Divisors: 1 2 4 13 17 19 26 34 38 52 68 76 221 247 323 442 494 646 884 988 1292 1613 3226 4199 6452 8398 16796 20969 27421 30647 41938 54842 61294 83876 109684 122588 356473 398411 520999 712946 796822 1041998 1425892 1593644 2083996 6772987 13545974 27091948