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149738484 = 22372961469
BaseRepresentation
bin10001110110011…
…01001111110100
3101102202111120210
420323031033310
5301313112414
622505225420
73465520230
oct1073151764
9342674523
10149738484
1177583815
1242192270
1325039b6c
1415c5b5c0
15d22be59
hex8ecd3f4

149738484 has 48 divisors (see below), whose sum is σ = 413078400. Its totient is φ = 41306496.

The previous prime is 149738473. The next prime is 149738489. The reversal of 149738484 is 484837941.

It is a super-2 number, since 2×1497384842 = 44843227181236512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149738489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28299 + ... + 33170.

It is an arithmetic number, because the mean of its divisors is an integer number (8605800).

Almost surely, 2149738484 is an apocalyptic number.

149738484 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

149738484 is an abundant number, since it is smaller than the sum of its proper divisors (263339916).

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

149738484 is a wasteful number, since it uses less digits than its factorization.

149738484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61512 (or 61510 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

The square root of 149738484 is about 12236.7677104700. The cubic root of 149738484 is about 531.0203247280.

The spelling of 149738484 in words is "one hundred forty-nine million, seven hundred thirty-eight thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 29 42 58 84 87 116 174 203 348 406 609 812 1218 2436 61469 122938 184407 245876 368814 430283 737628 860566 1290849 1721132 1782601 2581698 3565202 5163396 5347803 7130404 10695606 12478207 21391212 24956414 37434621 49912828 74869242 149738484