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469721088 = 2133223277
BaseRepresentation
bin11011111111110…
…110000000000000
31012201212022012100
4123333312000000
51430222033323
6114335430400
714432364144
oct3377660000
91181768170
10469721088
11221166451
12111385400
1376413195
1446553224
152b386943
hex1bff6000

469721088 has 168 divisors, whose sum is σ = 1420995888. Its totient is φ = 149225472.

The previous prime is 469721081. The next prime is 469721089. The reversal of 469721088 is 880127964.

It is a zygodrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (469721081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1695606 + ... + 1695882.

Almost surely, 2469721088 is an apocalyptic number.

469721088 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 469721088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (710497944).

469721088 is an abundant number, since it is smaller than the sum of its proper divisors (951274800).

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

469721088 is a wasteful number, since it uses less digits than its factorization.

469721088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 469721088 is about 21673.0498084603. The cubic root of 469721088 is about 777.3441824755.

The spelling of 469721088 in words is "four hundred sixty-nine million, seven hundred twenty-one thousand, eighty-eight".