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148664294 = 274332147
BaseRepresentation
bin10001101110001…
…10111111100110
3101100201221001222
420313012333212
5301024224134
622430220342
73453424412
oct1067067746
9340657058
10148664294
1176a0a759
12419546b2
1324a51c4c
1415a5bd42
15d0b8a2e
hex8dc6fe6

148664294 has 4 divisors (see below), whose sum is σ = 222996444. Its totient is φ = 74332146.

The previous prime is 148664293. The next prime is 148664323. The reversal of 148664294 is 492466841.

148664294 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 492466841 = 616379907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148664291) 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 as a sum of consecutive naturals, namely, 37166072 + ... + 37166075.

It is an arithmetic number, because the mean of its divisors is an integer number (55749111).

Almost surely, 2148664294 is an apocalyptic number.

148664294 is a deficient number, since it is larger than the sum of its proper divisors (74332150).

148664294 is an equidigital number, since it uses as much as digits as its factorization.

148664294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74332149.

The product of its digits is 331776, while the sum is 44.

The square root of 148664294 is about 12192.7968079518. The cubic root of 148664294 is about 529.7474695850.

The spelling of 148664294 in words is "one hundred forty-eight million, six hundred sixty-four thousand, two hundred ninety-four".

Divisors: 1 2 74332147 148664294