Search a number
-
+
39472092 = 223211263379
BaseRepresentation
bin1001011010010…
…0101111011100
32202021101112100
42112210233130
540101101332
63530005100
7656335662
oct226445734
982241470
1039472092
112030aa70
1211276790
13824048a
145356c32
1536ea67c
hex25a4bdc

39472092 has 72 divisors (see below), whose sum is σ = 109549440. Its totient is φ = 11884320.

The previous prime is 39472087. The next prime is 39472109. The reversal of 39472092 is 29027493.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103959 + ... + 104337.

It is an arithmetic number, because the mean of its divisors is an integer number (1521520).

Almost surely, 239472092 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39472092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54774720).

39472092 is an abundant number, since it is smaller than the sum of its proper divisors (70077348).

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

39472092 is a wasteful number, since it uses less digits than its factorization.

39472092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663 (or 658 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 39472092 is about 6282.6819114133. The cubic root of 39472092 is about 340.4840050189.

The spelling of 39472092 in words is "thirty-nine million, four hundred seventy-two thousand, ninety-two".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 263 379 396 526 758 789 1052 1137 1516 1578 2274 2367 2893 3156 3411 4169 4548 4734 5786 6822 8338 8679 9468 11572 12507 13644 16676 17358 25014 26037 34716 37521 50028 52074 75042 99677 104148 150084 199354 299031 398708 598062 897093 1096447 1196124 1794186 2192894 3289341 3588372 4385788 6578682 9868023 13157364 19736046 39472092