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149686484 = 22192234507
BaseRepresentation
bin10001110110000…
…00100011010100
3101102122212020212
420323000203110
5301304431414
622504144552
73465212513
oct1073004324
9342585225
10149686484
1177548742
1242168158
132501c2ac
1415c4667a
15d21b83e
hex8ec08d4

149686484 has 36 divisors (see below), whose sum is σ = 288548064. Its totient is φ = 67806288.

The previous prime is 149686441. The next prime is 149686489. The reversal of 149686484 is 484686941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149686489) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 30959 + ... + 35465.

It is an arithmetic number, because the mean of its divisors is an integer number (8015224).

Almost surely, 2149686484 is an apocalyptic number.

It is an amenable number.

149686484 is a deficient number, since it is larger than the sum of its proper divisors (138861580).

149686484 is a wasteful number, since it uses less digits than its factorization.

149686484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4572 (or 4551 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 50.

The square root of 149686484 is about 12234.6427818715. The cubic root of 149686484 is about 530.9588480941.

The spelling of 149686484 in words is "one hundred forty-nine million, six hundred eighty-six thousand, four hundred eighty-four".

Divisors: 1 2 4 19 23 38 46 76 92 361 437 722 874 1444 1748 4507 8303 9014 16606 18028 33212 85633 103661 171266 207322 342532 414644 1627027 1969559 3254054 3939118 6508108 7878236 37421621 74843242 149686484