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382972 = 22671429
BaseRepresentation
bin1011101011111111100
3201110100011
41131133330
544223342
612113004
73153352
oct1353774
9643304
10382972
11241807
12165764
13105415
149d7d2
1578717
hex5d7fc

382972 has 12 divisors (see below), whose sum is σ = 680680. Its totient is φ = 188496.

The previous prime is 382961. The next prime is 382979. The reversal of 382972 is 279283.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (382979) by changing a digit.

382972 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, 447 + ... + 982.

2382972 is an apocalyptic number.

It is an amenable number.

382972 is a deficient number, since it is larger than the sum of its proper divisors (297708).

382972 is a wasteful number, since it uses less digits than its factorization.

382972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500 (or 1498 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 382972 is about 618.8473155795. The cubic root of 382972 is about 72.6199046375.

The spelling of 382972 in words is "three hundred eighty-two thousand, nine hundred seventy-two".

Divisors: 1 2 4 67 134 268 1429 2858 5716 95743 191486 382972