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149388496 = 2423405947
BaseRepresentation
bin10001110011101…
…11110011010000
3101102002201111021
420321313303100
5301220412441
622453525224
73462531655
oct1071676320
9342081437
10149388496
1177364874
1242043814
1324c4677a
1415ba9c2c
15d1ad3d1
hex8e77cd0

149388496 has 20 divisors (see below), whose sum is σ = 302025312. Its totient is φ = 71446496.

The previous prime is 149388487. The next prime is 149388497. The reversal of 149388496 is 694883941.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149388497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202606 + ... + 203341.

Almost surely, 2149388496 is an apocalyptic number.

149388496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

149388496 is an abundant number, since it is smaller than the sum of its proper divisors (152636816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149388496 is a wasteful number, since it uses less digits than its factorization.

149388496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405978 (or 405972 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 52.

The square root of 149388496 is about 12222.4586724603. The cubic root of 149388496 is about 530.6062790247.

The spelling of 149388496 in words is "one hundred forty-nine million, three hundred eighty-eight thousand, four hundred ninety-six".

Divisors: 1 2 4 8 16 23 46 92 184 368 405947 811894 1623788 3247576 6495152 9336781 18673562 37347124 74694248 149388496