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40503820 = 22571915227
BaseRepresentation
bin1001101010000…
…0101000001100
32211012210210111
42122200220030
540332110240
64004045404
71001163640
oct232405014
984183714
1040503820
1120955135
1211693864
138511c76
145544c20
1538511ea
hex26a0a0c

40503820 has 48 divisors (see below), whose sum is σ = 102332160. Its totient is φ = 13155264.

The previous prime is 40503803. The next prime is 40503829. The reversal of 40503820 is 2830504.

It is a junction number, because it is equal to n+sod(n) for n = 40503791 and 40503800.

It is not an unprimeable number, because it can be changed into a prime (40503829) 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, 4954 + ... + 10273.

It is an arithmetic number, because the mean of its divisors is an integer number (2131920).

Almost surely, 240503820 is an apocalyptic number.

It is an amenable number.

40503820 is an abundant number, since it is smaller than the sum of its proper divisors (61828340).

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

40503820 is a wasteful number, since it uses less digits than its factorization.

40503820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15262 (or 15260 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 40503820 is about 6364.2611511471. The cubic root of 40503820 is about 343.4250694843.

The spelling of 40503820 in words is "forty million, five hundred three thousand, eight hundred twenty".

Divisors: 1 2 4 5 7 10 14 19 20 28 35 38 70 76 95 133 140 190 266 380 532 665 1330 2660 15227 30454 60908 76135 106589 152270 213178 289313 304540 426356 532945 578626 1065890 1157252 1446565 2025191 2131780 2893130 4050382 5786260 8100764 10125955 20251910 40503820