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228480406464 = 2631529977783
BaseRepresentation
bin1101010011001001111…
…1100101001111000000
3210211202012012020102110
43110302133211033000
512220411441001324
6252543520015320
722335646261002
oct3246237451700
9724665166373
10228480406464
1188997262102
1238345761540
13187129218ab
14b0b67a6372
155e23983329
hex35327e53c0

228480406464 has 56 divisors (see below), whose sum is σ = 604568361600. Its totient is φ = 76154178304.

The previous prime is 228480406463. The next prime is 228480406493. The reversal of 228480406464 is 464604084822.

228480406464 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2284804064642 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228480406463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2898517 + ... + 2976299.

It is an arithmetic number, because the mean of its divisors is an integer number (10795863600).

Almost surely, 2228480406464 is an apocalyptic number.

228480406464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

228480406464 is an abundant number, since it is smaller than the sum of its proper divisors (376087955136).

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

228480406464 is a wasteful number, since it uses less digits than its factorization.

228480406464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93097 (or 93087 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 48.

The spelling of 228480406464 in words is "two hundred twenty-eight billion, four hundred eighty million, four hundred six thousand, four hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 15299 30598 45897 61196 77783 91794 122392 155566 183588 233349 244784 311132 367176 466698 489568 622264 734352 933396 979136 1244528 1468704 1866792 2489056 2937408 3733584 4978112 7467168 14934336 1190002117 2380004234 3570006351 4760008468 7140012702 9520016936 14280025404 19040033872 28560050808 38080067744 57120101616 76160135488 114240203232 228480406464