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142554072 = 2336197373
BaseRepresentation
bin10000111111100…
…11001111011000
3100221020111102110
420133303033120
5242443212242
622051232320
73350455353
oct1037631730
9327214373
10142554072
1173516a91
123b8a86a0
13236c2a2b
1414d0b29a
15c7ad39c
hex87f33d8

142554072 has 32 divisors (see below), whose sum is σ = 362231280. Its totient is φ = 46738560.

The previous prime is 142554043. The next prime is 142554079. The reversal of 142554072 is 270455241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142554079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47223 + ... + 50150.

Almost surely, 2142554072 is an apocalyptic number.

142554072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142554072 is an abundant number, since it is smaller than the sum of its proper divisors (219677208).

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

142554072 is a wasteful number, since it uses less digits than its factorization.

142554072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97443 (or 97439 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 142554072 is about 11939.6009983584. The cubic root of 142554072 is about 522.3880205379.

The spelling of 142554072 in words is "one hundred forty-two million, five hundred fifty-four thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 24 61 122 183 244 366 488 732 1464 97373 194746 292119 389492 584238 778984 1168476 2336952 5939753 11879506 17819259 23759012 35638518 47518024 71277036 142554072