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481469994 = 23519232267
BaseRepresentation
bin11100101100101…
…010011000101010
31020112222012200000
4130230222120222
51441224014434
6115435323430
714634266415
oct3454523052
91215865600
10481469994
11227860595
121152b0576
1378997ab5
1447d30b7c
152c407b99
hex1cb2a62a

481469994 has 96 divisors (see below), whose sum is σ = 1188794880. Its totient is φ = 145368432.

The previous prime is 481469987. The next prime is 481469999. The reversal of 481469994 is 499964184.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 481469994.

It is not an unprimeable number, because it can be changed into a prime (481469999) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 211249 + ... + 213515.

It is an arithmetic number, because the mean of its divisors is an integer number (12383280).

Almost surely, 2481469994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 481469994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (594397440).

481469994 is an abundant number, since it is smaller than the sum of its proper divisors (707324886).

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

481469994 is a wasteful number, since it uses less digits than its factorization.

481469994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2326 (or 2314 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 481469994 is about 21942.4245241951. The cubic root of 481469994 is about 783.7719959029.

The spelling of 481469994 in words is "four hundred eighty-one million, four hundred sixty-nine thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 9 18 19 23 27 38 46 54 57 69 81 114 138 162 171 207 243 342 414 437 486 513 621 874 1026 1242 1311 1539 1863 2267 2622 3078 3726 3933 4534 4617 5589 6801 7866 9234 11178 11799 13602 20403 23598 35397 40806 43073 52141 61209 70794 86146 104282 106191 122418 129219 156423 183627 212382 258438 312846 367254 387657 469269 550881 775314 938538 990679 1101762 1162971 1407807 1981358 2325942 2815614 2972037 3488913 4223421 5944074 6977826 8446842 8916111 10466739 12670263 17832222 20933478 25340526 26748333 53496666 80244999 160489998 240734997 481469994