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147271680 = 2123251747
BaseRepresentation
bin10001100011100…
…11000000000000
3101021010011202200
420301303000000
5300200143210
622340313200
73435534333
oct1061630000
9337104680
10147271680
1176149436
12413a2800
132468510a
14157b861a
15cde10c0
hex8c73000

147271680 has 312 divisors, whose sum is σ = 552007872. Its totient is φ = 36175872.

The previous prime is 147271667. The next prime is 147271681. The reversal of 147271680 is 86172741.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (147271681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3133417 + ... + 3133463.

It is an arithmetic number, because the mean of its divisors is an integer number (1769256).

Almost surely, 2147271680 is an apocalyptic number.

147271680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147271680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276003936).

147271680 is an abundant number, since it is smaller than the sum of its proper divisors (404736192).

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

147271680 is a wasteful number, since it uses less digits than its factorization.

147271680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 147271680 is about 12135.5543754705. The cubic root of 147271680 is about 528.0881395559.

The spelling of 147271680 in words is "one hundred forty-seven million, two hundred seventy-one thousand, six hundred eighty".