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741987820 = 225723230431
BaseRepresentation
bin101100001110011…
…101010111101100
31220201011212221101
4230032131113230
53004422102240
6201343212444
724246535540
oct5416352754
91821155841
10741987820
11350918482
121885a7124
13ba950962
1470787a20
154521839a
hex2c39d5ec

741987820 has 48 divisors (see below), whose sum is σ = 1858203648. Its totient is φ = 243334080.

The previous prime is 741987817. The next prime is 741987913. The reversal of 741987820 is 28789147.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111996 + ... + 118435.

It is an arithmetic number, because the mean of its divisors is an integer number (38712576).

Almost surely, 2741987820 is an apocalyptic number.

741987820 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

741987820 is an abundant number, since it is smaller than the sum of its proper divisors (1116215828).

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

741987820 is a wasteful number, since it uses less digits than its factorization.

741987820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230470 (or 230468 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 46.

The square root of 741987820 is about 27239.4533719016. The cubic root of 741987820 is about 905.3133516012.

The spelling of 741987820 in words is "seven hundred forty-one million, nine hundred eighty-seven thousand, eight hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 23 28 35 46 70 92 115 140 161 230 322 460 644 805 1610 3220 230431 460862 921724 1152155 1613017 2304310 3226034 4608620 5299913 6452068 8065085 10599826 16130170 21199652 26499565 32260340 37099391 52999130 74198782 105998260 148397564 185496955 370993910 741987820