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149424862 = 274712431
BaseRepresentation
bin10001110100000…
…00101011011110
3101102011120101011
420322000223132
5301223043422
622454405434
73463042666
oct1072005336
9342146334
10149424862
117738a124
124206087a
1324c5a1a2
1415bb91a6
15d1b9077
hex8e80ade

149424862 has 4 divisors (see below), whose sum is σ = 224137296. Its totient is φ = 74712430.

The previous prime is 149424857. The next prime is 149424887. The reversal of 149424862 is 268424941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 268424941 = 1571709713.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37356214 + ... + 37356217.

It is an arithmetic number, because the mean of its divisors is an integer number (56034324).

Almost surely, 2149424862 is an apocalyptic number.

149424862 is a deficient number, since it is larger than the sum of its proper divisors (74712434).

149424862 is an equidigital number, since it uses as much as digits as its factorization.

149424862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74712433.

The product of its digits is 110592, while the sum is 40.

The square root of 149424862 is about 12223.9462531541. The cubic root of 149424862 is about 530.6493311179.

The spelling of 149424862 in words is "one hundred forty-nine million, four hundred twenty-four thousand, eight hundred sixty-two".

Divisors: 1 2 74712431 149424862