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147970 = 2514797
BaseRepresentation
bin100100001000000010
321111222101
4210020002
514213340
63101014
71154254
oct441002
9244871
10147970
11a1199
127176a
1352474
143bcd4
152dc9a
hex24202

147970 has 8 divisors (see below), whose sum is σ = 266364. Its totient is φ = 59184.

The previous prime is 147949. The next prime is 147977. The reversal of 147970 is 79741.

147970 = T270 + T271 + ... + T273.

It can be written as a sum of positive squares in 2 ways, for example, as 145161 + 2809 = 381^2 + 53^2 .

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

It is not an unprimeable number, because it can be changed into a prime (147977) by changing a digit.

147970 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7389 + ... + 7408.

2147970 is an apocalyptic number.

147970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

147970 is a deficient number, since it is larger than the sum of its proper divisors (118394).

147970 is a wasteful number, since it uses less digits than its factorization.

147970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14804.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 147970 is about 384.6686886140. The cubic root of 147970 is about 52.8921504500.

The spelling of 147970 in words is "one hundred forty-seven thousand, nine hundred seventy".

Divisors: 1 2 5 10 14797 29594 73985 147970