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148920994 = 2613121469
BaseRepresentation
bin10001110000001…
…01101010100010
3101101012222012101
420320011222202
5301110432434
622435521014
73455543665
oct1070055242
9341188171
10148920994
1177075602
1241a5916a
1324b11a41
1415ac76dc
15d119b14
hex8e05aa2

148920994 has 8 divisors (see below), whose sum is σ = 223747740. Its totient is φ = 74338416.

The previous prime is 148920983. The next prime is 148921001. The reversal of 148920994 is 499029841.

It can be written as a sum of positive squares in 2 ways, for example, as 141967225 + 6953769 = 11915^2 + 2637^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59509 + ... + 61960.

Almost surely, 2148920994 is an apocalyptic number.

148920994 is a deficient number, since it is larger than the sum of its proper divisors (74826746).

148920994 is a wasteful number, since it uses less digits than its factorization.

148920994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122084.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 148920994 is about 12203.3189747708. The cubic root of 148920994 is about 530.0522008630.

The spelling of 148920994 in words is "one hundred forty-eight million, nine hundred twenty thousand, nine hundred ninety-four".

Divisors: 1 2 613 1226 121469 242938 74460497 148920994