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147880730 = 2514788073
BaseRepresentation
bin10001101000001…
…11101100011010
3101022021010020002
420310013230122
5300324140410
622401333002
73443652104
oct1064075432
9338233202
10147880730
1176524a88
1241637162
13248393ba
14158d6574
15ceb17a5
hex8d07b1a

147880730 has 8 divisors (see below), whose sum is σ = 266185332. Its totient is φ = 59152288.

The previous prime is 147880697. The next prime is 147880751. The reversal of 147880730 is 37088741.

It can be written as a sum of positive squares in 2 ways, for example, as 137194369 + 10686361 = 11713^2 + 3269^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×1478807303 (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7394027 + ... + 7394046.

Almost surely, 2147880730 is an apocalyptic number.

147880730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

147880730 is a deficient number, since it is larger than the sum of its proper divisors (118304602).

147880730 is a wasteful number, since it uses less digits than its factorization.

147880730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14788080.

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 147880730 is about 12160.6221057971. The cubic root of 147880730 is about 528.8151173465.

The spelling of 147880730 in words is "one hundred forty-seven million, eight hundred eighty thousand, seven hundred thirty".

Divisors: 1 2 5 10 14788073 29576146 73940365 147880730