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148652819 = 723033731
BaseRepresentation
bin10001101110001…
…00001100010011
3101100201100022222
420313010030103
5301023342234
622430051255
73453346100
oct1067041423
9340640288
10148652819
1176a02077
1241949b2b
1324a49963
1415a57aa7
15d0b542e
hex8dc4313

148652819 has 6 divisors (see below), whose sum is σ = 172922724. Its totient is φ = 127416660.

The previous prime is 148652807. The next prime is 148652857. The reversal of 148652819 is 918256841.

It is not a de Polignac number, because 148652819 - 28 = 148652563 is a prime.

It is a super-2 number, since 2×1486528192 = 44195321193293522, which contains 22 as substring.

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 148652819.

It is not an unprimeable number, because it can be changed into a prime (148672819) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1516817 + ... + 1516914.

It is an arithmetic number, because the mean of its divisors is an integer number (28820454).

Almost surely, 2148652819 is an apocalyptic number.

148652819 is a deficient number, since it is larger than the sum of its proper divisors (24269905).

148652819 is an equidigital number, since it uses as much as digits as its factorization.

148652819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3033745 (or 3033738 counting only the distinct ones).

The product of its digits is 138240, while the sum is 44.

The square root of 148652819 is about 12192.3262341524. The cubic root of 148652819 is about 529.7338393032.

The spelling of 148652819 in words is "one hundred forty-eight million, six hundred fifty-two thousand, eight hundred nineteen".

Divisors: 1 7 49 3033731 21236117 148652819