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40554052 = 22711353373
BaseRepresentation
bin1001101010110…
…0111001000100
32211022100200221
42122230321010
540340212202
64005114124
71001463250
oct232547104
984270627
1040554052
1120989950
12116b8944
13852baa6
145559260
153861037
hex26ace44

40554052 has 48 divisors (see below), whose sum is σ = 88970112. Its totient is φ = 15713280.

The previous prime is 40554013. The next prime is 40554053. The reversal of 40554052 is 25045504.

It is a super-2 number, since 2×405540522 = 3289262267237408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40554053) 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, 108538 + ... + 108910.

It is an arithmetic number, because the mean of its divisors is an integer number (1853544).

Almost surely, 240554052 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 40554052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44485056).

40554052 is an abundant number, since it is smaller than the sum of its proper divisors (48416060).

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

40554052 is a wasteful number, since it uses less digits than its factorization.

40554052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748 (or 746 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 40554052 is about 6368.2063408781. The cubic root of 40554052 is about 343.5669803921.

Adding to 40554052 its reverse (25045504), we get a palindrome (65599556).

The spelling of 40554052 in words is "forty million, five hundred fifty-four thousand, fifty-two".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 353 373 706 746 1412 1492 2471 2611 3883 4103 4942 5222 7766 8206 9884 10444 15532 16412 27181 28721 54362 57442 108724 114884 131669 263338 526676 921683 1448359 1843366 2896718 3686732 5793436 10138513 20277026 40554052