Search a number
-
+
40979600 = 2452531933
BaseRepresentation
bin1001110001010…
…0110010010000
32212002222102222
42130110302100
540442321400
64022200212
71005215024
oct234246220
985088388
1040979600
112114a642
1211883068
13864a6ac
14562a384
1538e7185
hex2714c90

40979600 has 60 divisors (see below), whose sum is σ = 100362996. Its totient is φ = 16074240.

The previous prime is 40979597. The next prime is 40979633. The reversal of 40979600 is 697904.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 173056 + 40806544 = 416^2 + 6388^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20234 + ... + 22166.

Almost surely, 240979600 is an apocalyptic number.

40979600 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40979600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50181498).

40979600 is an abundant number, since it is smaller than the sum of its proper divisors (59383396).

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

40979600 is a wasteful number, since it uses less digits than its factorization.

40979600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004 (or 1993 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 40979600 is about 6401.5310668621. The cubic root of 40979600 is about 344.7645246060.

The spelling of 40979600 in words is "forty million, nine hundred seventy-nine thousand, six hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 53 80 100 106 200 212 265 400 424 530 848 1060 1325 1933 2120 2650 3866 4240 5300 7732 9665 10600 15464 19330 21200 30928 38660 48325 77320 96650 102449 154640 193300 204898 386600 409796 512245 773200 819592 1024490 1639184 2048980 2561225 4097960 5122450 8195920 10244900 20489800 40979600