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149787344 = 2476719961
BaseRepresentation
bin10001110110110…
…01001011010000
3101102211222121102
420323121023100
5301321143334
622510243532
73466112540
oct1073311320
9342758542
10149787344
11776074a3
12421b65a8
1325056185
1415c71320
15d23b67e
hex8ed92d0

149787344 has 40 divisors (see below), whose sum is σ = 336639168. Its totient is φ = 63233280.

The previous prime is 149787329. The next prime is 149787347. The reversal of 149787344 is 443787941.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149787347) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 2477 + ... + 17484.

Almost surely, 2149787344 is an apocalyptic number.

149787344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

149787344 is an abundant number, since it is smaller than the sum of its proper divisors (186851824).

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

149787344 is a wasteful number, since it uses less digits than its factorization.

149787344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20043 (or 20037 counting only the distinct ones).

The product of its digits is 677376, while the sum is 47.

The square root of 149787344 is about 12238.7639898807. The cubic root of 149787344 is about 531.0780761509.

It can be divided in two parts, 14978 and 7344, that added together give a palindrome (22322).

The spelling of 149787344 in words is "one hundred forty-nine million, seven hundred eighty-seven thousand, three hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 56 67 112 134 268 469 536 938 1072 1876 3752 7504 19961 39922 79844 139727 159688 279454 319376 558908 1117816 1337387 2235632 2674774 5349548 9361709 10699096 18723418 21398192 37446836 74893672 149787344