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48721340 = 2252436067
BaseRepresentation
bin1011100111011…
…0110110111100
310101200022010002
42321312312330
544433040330
64500133432
71131060503
oct271666674
9111608102
1048721340
1125558078
1214397278
13a12b3c5
14668383a
154425e45
hex2e76dbc

48721340 has 12 divisors (see below), whose sum is σ = 102314856. Its totient is φ = 19488528.

The previous prime is 48721331. The next prime is 48721349. The reversal of 48721340 is 4312784.

It is an interprime number because it is at equal distance from previous prime (48721331) and next prime (48721349).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48721349) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1218014 + ... + 1218053.

It is an arithmetic number, because the mean of its divisors is an integer number (8526238).

Almost surely, 248721340 is an apocalyptic number.

It is an amenable number.

48721340 is an abundant number, since it is smaller than the sum of its proper divisors (53593516).

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

48721340 is a wasteful number, since it uses less digits than its factorization.

48721340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436076 (or 2436074 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 48721340 is about 6980.0673349188. The cubic root of 48721340 is about 365.2355769519.

The spelling of 48721340 in words is "forty-eight million, seven hundred twenty-one thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 2436067 4872134 9744268 12180335 24360670 48721340