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149436280 = 2357276243
BaseRepresentation
bin10001110100000…
…11011101111000
3101102012011001001
420322003131320
5301223430110
622454534344
73463121200
oct1072033570
9342164031
10149436280
1177397764
12420673b4
1324c62446
1415bbd400
15d1bc63a
hex8e83778

149436280 has 48 divisors (see below), whose sum is σ = 391131720. Its totient is φ = 51234624.

The previous prime is 149436257. The next prime is 149436283. The reversal of 149436280 is 82634941.

149436280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149436283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36162 + ... + 40081.

Almost surely, 2149436280 is an apocalyptic number.

149436280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149436280 is an abundant number, since it is smaller than the sum of its proper divisors (241695440).

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

149436280 is a wasteful number, since it uses less digits than its factorization.

149436280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76268 (or 76257 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 149436280 is about 12224.4132783541. The cubic root of 149436280 is about 530.6628469405.

The spelling of 149436280 in words is "one hundred forty-nine million, four hundred thirty-six thousand, two hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 49 56 70 98 140 196 245 280 392 490 980 1960 76243 152486 304972 381215 533701 609944 762430 1067402 1524860 2134804 2668505 3049720 3735907 4269608 5337010 7471814 10674020 14943628 18679535 21348040 29887256 37359070 74718140 149436280