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748451340 = 223457135077
BaseRepresentation
bin101100100111000…
…111011000001100
31221011100021020000
4230213013120030
53013100420330
6202133524300
724355505610
oct5447073014
91834307200
10748451340
1135453262a
1218a7a3690
13bc0a4920
147158b340
1545a93560
hex2c9c760c

748451340 has 240 divisors, whose sum is σ = 2890316352. Its totient is φ = 157883904.

The previous prime is 748451329. The next prime is 748451369. The reversal of 748451340 is 43154847.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 748451295 and 748451304.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 144882 + ... + 149958.

Almost surely, 2748451340 is an apocalyptic number.

748451340 is a gapful number since it is divisible by the number (70) 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 748451340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1445158176).

748451340 is an abundant number, since it is smaller than the sum of its proper divisors (2141865012).

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

748451340 is a wasteful number, since it uses less digits than its factorization.

748451340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5118 (or 5107 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 748451340 is about 27357.8387304261. The cubic root of 748451340 is about 907.9345094983.

The spelling of 748451340 in words is "seven hundred forty-eight million, four hundred fifty-one thousand, three hundred forty".