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149544982 = 274772491
BaseRepresentation
bin10001110100111…
…10000000010110
3101102101200011001
420322132000112
5301240414412
622501133514
73464053126
oct1072360026
9342350131
10149544982
11774613a4
12420ba29a
1324c9ca72
1415c0ac86
15d1de957
hex8e9e016

149544982 has 4 divisors (see below), whose sum is σ = 224317476. Its totient is φ = 74772490.

The previous prime is 149544973. The next prime is 149545003. The reversal of 149544982 is 289445941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 289445941 = 1312209511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37386244 + ... + 37386247.

It is an arithmetic number, because the mean of its divisors is an integer number (56079369).

Almost surely, 2149544982 is an apocalyptic number.

149544982 is a deficient number, since it is larger than the sum of its proper divisors (74772494).

149544982 is an equidigital number, since it uses as much as digits as its factorization.

149544982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74772493.

The product of its digits is 414720, while the sum is 46.

The square root of 149544982 is about 12228.8585730640. The cubic root of 149544982 is about 530.7914862323.

The spelling of 149544982 in words is "one hundred forty-nine million, five hundred forty-four thousand, nine hundred eighty-two".

Divisors: 1 2 74772491 149544982