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740148820 = 225181204461
BaseRepresentation
bin101100000111011…
…100011001010100
31220120201110022021
4230013130121110
53003434230240
6201235542524
724225106165
oct5407343124
91816643267
10740148820
1134a881844
12187a5aa44
13ba4588a8
147042976c
1544ea354a
hex2c1dc654

740148820 has 24 divisors (see below), whose sum is σ = 1562907528. Its totient is φ = 294422400.

The previous prime is 740148811. The next prime is 740148863. The reversal of 740148820 is 28841047.

It can be written as a sum of positive squares in 4 ways, for example, as 91204 + 740057616 = 302^2 + 27204^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98611 + ... + 105850.

It is an arithmetic number, because the mean of its divisors is an integer number (65121147).

Almost surely, 2740148820 is an apocalyptic number.

It is an amenable number.

740148820 is an abundant number, since it is smaller than the sum of its proper divisors (822758708).

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

740148820 is a wasteful number, since it uses less digits than its factorization.

740148820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204651 (or 204649 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 740148820 is about 27205.6762459601. The cubic root of 740148820 is about 904.5647999609.

Adding to 740148820 its reverse (28841047), we get a palindrome (768989867).

The spelling of 740148820 in words is "seven hundred forty million, one hundred forty-eight thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 181 362 724 905 1810 3620 204461 408922 817844 1022305 2044610 4089220 37007441 74014882 148029764 185037205 370074410 740148820