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40880500 = 225381761
BaseRepresentation
bin1001101111110…
…0100101110100
32211220221111121
42123330211310
540431134000
64020113324
71004323063
oct233744564
984827447
1040880500
1121092141
1211835844
13861455b
1456021da
1538c7b1a
hex26fc974

40880500 has 24 divisors (see below), whose sum is σ = 89284104. Its totient is φ = 16352000.

The previous prime is 40880471. The next prime is 40880501. The reversal of 40880500 is 508804.

It can be written as a sum of positive squares in 4 ways, for example, as 2490084 + 38390416 = 1578^2 + 6196^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40880501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40381 + ... + 41380.

It is an arithmetic number, because the mean of its divisors is an integer number (3720171).

Almost surely, 240880500 is an apocalyptic number.

It is an amenable number.

40880500 is an abundant number, since it is smaller than the sum of its proper divisors (48403604).

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

40880500 is a wasteful number, since it uses less digits than its factorization.

40880500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81780 (or 81768 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 40880500 is about 6393.7860458417. The cubic root of 40880500 is about 344.4863883095.

It can be divided in two parts, 408 and 80500, that added together give a palindrome (80908).

The spelling of 40880500 in words is "forty million, eight hundred eighty thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 81761 163522 327044 408805 817610 1635220 2044025 4088050 8176100 10220125 20440250 40880500