Search a number
-
+
40210044 = 22371732767
BaseRepresentation
bin1001100101100…
…0111001111100
32210122212210220
42121120321330
540243210134
63553501340
7665531310
oct231307174
983585726
1040210044
1120774446
1211571850
13843b334
1454a9b40
1537e4149
hex2658e7c

40210044 has 48 divisors (see below), whose sum is σ = 107885568. Its totient is φ = 11418048.

The previous prime is 40210039. The next prime is 40210063. The reversal of 40210044 is 44001204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13149 + ... + 15915.

It is an arithmetic number, because the mean of its divisors is an integer number (2247616).

Almost surely, 240210044 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 40210044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53942784).

40210044 is an abundant number, since it is smaller than the sum of its proper divisors (67675524).

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

40210044 is a wasteful number, since it uses less digits than its factorization.

40210044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2954 (or 2952 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 40210044 is about 6341.1390144043. The cubic root of 40210044 is about 342.5927615618.

Adding to 40210044 its reverse (44001204), we get a palindrome (84211248).

The spelling of 40210044 in words is "forty million, two hundred ten thousand, forty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 173 346 519 692 1038 1211 2076 2422 2767 3633 4844 5534 7266 8301 11068 14532 16602 19369 33204 38738 58107 77476 116214 232428 478691 957382 1436073 1914764 2872146 3350837 5744292 6701674 10052511 13403348 20105022 40210044