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748492992 = 263213195261
BaseRepresentation
bin101100100111010…
…001100011000000
31221011102101100200
4230213101203000
53013103233432
6202134445200
724356041212
oct5447214300
91834371320
10748492992
11354560955
1218a803800
13bc0ba880
147159c5b2
1545aa0a7c
hex2c9d18c0

748492992 has 168 divisors, whose sum is σ = 2432517360. Its totient is φ = 218142720.

The previous prime is 748492991. The next prime is 748492993. The reversal of 748492992 is 299294847.

It is an interprime number because it is at equal distance from previous prime (748492991) and next prime (748492993).

It is a super-2 number, since 2×7484929922 = 1120483518146224128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (748492991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139642 + ... + 144902.

It is an arithmetic number, because the mean of its divisors is an integer number (14479270).

Almost surely, 2748492992 is an apocalyptic number.

748492992 is a gapful number since it is divisible by the number (72) 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 748492992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1216258680).

748492992 is an abundant number, since it is smaller than the sum of its proper divisors (1684024368).

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

748492992 is a wasteful number, since it uses less digits than its factorization.

748492992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5311 (or 5298 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 748492992 is about 27358.5999641795. The cubic root of 748492992 is about 907.9513516472.

It can be divided in two parts, 74849 and 2992, that added together give a square (77841 = 2792).

The spelling of 748492992 in words is "seven hundred forty-eight million, four hundred ninety-two thousand, nine hundred ninety-two".