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148057739 = 236796079
BaseRepresentation
bin10001101001100…
…10111010001011
3101022121010000222
420310302322023
5300400321424
622405220255
73445320134
oct1064627213
9338533028
10148057739
1176635a75
124170168b
132489bb3b
1415940c8b
15cee8e5e
hex8d32e8b

148057739 has 8 divisors (see below), whose sum is σ = 156802560. Its totient is φ = 139505256.

The previous prime is 148057717. The next prime is 148057759. The reversal of 148057739 is 937750841.

148057739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 148057739 - 216 = 147992203 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 148057739.

It is not an unprimeable number, because it can be changed into a prime (148057759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46499 + ... + 49580.

It is an arithmetic number, because the mean of its divisors is an integer number (19600320).

Almost surely, 2148057739 is an apocalyptic number.

148057739 is a deficient number, since it is larger than the sum of its proper divisors (8744821).

148057739 is an equidigital number, since it uses as much as digits as its factorization.

148057739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96169.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 148057739 is about 12167.8978874742. The cubic root of 148057739 is about 529.0260254038.

The spelling of 148057739 in words is "one hundred forty-eight million, fifty-seven thousand, seven hundred thirty-nine".

Divisors: 1 23 67 1541 96079 2209817 6437293 148057739