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148820525 = 527850403
BaseRepresentation
bin10001101111011…
…01001000101101
3101101000212101022
420313231020231
5301044224100
622433423525
73454645040
oct1067551055
9341025338
10148820525
1177007077
1241a0aba5
1324aa80a9
1415a9cc57
15d0e9e85
hex8ded22d

148820525 has 12 divisors (see below), whose sum is σ = 210900192. Its totient is φ = 102048240.

The previous prime is 148820453. The next prime is 148820527. The reversal of 148820525 is 525028841.

It is a happy number.

It is not a de Polignac number, because 148820525 - 214 = 148804141 is a prime.

It is a super-2 number, since 2×1488205252 = 44295097322551250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148820527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 425027 + ... + 425376.

It is an arithmetic number, because the mean of its divisors is an integer number (17575016).

Almost surely, 2148820525 is an apocalyptic number.

It is an amenable number.

148820525 is a deficient number, since it is larger than the sum of its proper divisors (62079667).

148820525 is an equidigital number, since it uses as much as digits as its factorization.

148820525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850420 (or 850415 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 35.

The square root of 148820525 is about 12199.2018181519. The cubic root of 148820525 is about 529.9329747922.

The spelling of 148820525 in words is "one hundred forty-eight million, eight hundred twenty thousand, five hundred twenty-five".

Divisors: 1 5 7 25 35 175 850403 4252015 5952821 21260075 29764105 148820525