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748651488 = 253133137523
BaseRepresentation
bin101100100111111…
…000001111100000
31221011201102202220
4230213320033200
53013123321423
6202142111040
724360301254
oct5447701740
91834642686
10748651488
11354659a42
1218a87b480
13bc144a60
1471600264
1545ad29e3
hex2c9f83e0

748651488 has 192 divisors, whose sum is σ = 2247985152. Its totient is φ = 216483840.

The previous prime is 748651441. The next prime is 748651499. The reversal of 748651488 is 884156847.

748651488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×7486514882 = 1120958100969228288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 748651488.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1431195 + ... + 1431717.

It is an arithmetic number, because the mean of its divisors is an integer number (11708256).

Almost surely, 2748651488 is an apocalyptic number.

748651488 is a gapful number since it is divisible by the number (78) 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 748651488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1123992576).

748651488 is an abundant number, since it is smaller than the sum of its proper divisors (1499333664).

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

748651488 is a wasteful number, since it uses less digits than its factorization.

748651488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617 (or 609 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 51.

The square root of 748651488 is about 27361.4964503040. The cubic root of 748651488 is about 908.0154344120.

The spelling of 748651488 in words is "seven hundred forty-eight million, six hundred fifty-one thousand, four hundred eighty-eight".