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481937940 = 2232511243403
BaseRepresentation
bin11100101110011…
…100101000010100
31020120211222120100
4130232130220110
51441334003230
6115453334100
714641255611
oct3456345024
91216758510
10481937940
11228050120
12115497330
1378accaa3
1448013508
152c49b660
hex1cb9ca14

481937940 has 72 divisors (see below), whose sum is σ = 1594783008. Its totient is φ = 116832960.

The previous prime is 481937933. The next prime is 481937977. The reversal of 481937940 is 49739184.

It is a super-2 number, since 2×4819379402 = 464528356022887200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119722 + ... + 123681.

It is an arithmetic number, because the mean of its divisors is an integer number (22149764).

Almost surely, 2481937940 is an apocalyptic number.

It is an amenable number.

481937940 is an abundant number, since it is smaller than the sum of its proper divisors (1112845068).

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

481937940 is a wasteful number, since it uses less digits than its factorization.

481937940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243429 (or 243424 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 481937940 is about 21953.0849768318. The cubic root of 481937940 is about 784.0258325689.

The spelling of 481937940 in words is "four hundred eighty-one million, nine hundred thirty-seven thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 44 45 55 60 66 90 99 110 132 165 180 198 220 330 396 495 660 990 1980 243403 486806 730209 973612 1217015 1460418 2190627 2434030 2677433 2920836 3651045 4381254 4868060 5354866 7302090 8032299 8762508 10709732 10953135 13387165 14604180 16064598 21906270 24096897 26774330 32129196 40161495 43812540 48193794 53548660 80322990 96387588 120484485 160645980 240968970 481937940