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463880388 = 223438571049
BaseRepresentation
bin11011101001100…
…100000011000100
31012022212120021010
4123221210003010
51422223133023
6114010322220
714331626646
oct3351440304
91168776233
10463880388
11218937224
1210b429370
137514984a
1445872896
152aad1093
hex1ba640c4

463880388 has 48 divisors (see below), whose sum is σ = 1109908800. Its totient is φ = 150710784.

The previous prime is 463880381. The next prime is 463880419. The reversal of 463880388 is 883088364.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (463880381) 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, 441688 + ... + 442736.

It is an arithmetic number, because the mean of its divisors is an integer number (23123100).

Almost surely, 2463880388 is an apocalyptic number.

It is an amenable number.

463880388 is an abundant number, since it is smaller than the sum of its proper divisors (646028412).

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

463880388 is a wasteful number, since it uses less digits than its factorization.

463880388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1956 (or 1954 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 48.

The square root of 463880388 is about 21537.8826257364. The cubic root of 463880388 is about 774.1087989463.

The spelling of 463880388 in words is "four hundred sixty-three million, eight hundred eighty thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 12 43 86 129 172 258 516 857 1049 1714 2098 2571 3147 3428 4196 5142 6294 10284 12588 36851 45107 73702 90214 110553 135321 147404 180428 221106 270642 442212 541284 898993 1797986 2696979 3595972 5393958 10787916 38656699 77313398 115970097 154626796 231940194 463880388