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307994 = 2153997
BaseRepresentation
bin1001011001100011010
3120122111012
41023030122
534323434
610333522
72421641
oct1131432
9518435
10307994
111a0445
1212a2a2
13aa25b
1480358
15613ce
hex4b31a

307994 has 4 divisors (see below), whose sum is σ = 461994. Its totient is φ = 153996.

The previous prime is 307969. The next prime is 308003. The reversal of 307994 is 499703.

It is a happy number.

307994 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 499703 = 4311621.

It can be written as a sum of positive squares in only one way, i.e., 225625 + 82369 = 475^2 + 287^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 307994.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76997 + ... + 77000.

2307994 is an apocalyptic number.

307994 is a deficient number, since it is larger than the sum of its proper divisors (154000).

307994 is a wasteful number, since it uses less digits than its factorization.

307994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153999.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 307994 is about 554.9720713694. The cubic root of 307994 is about 67.5326956372.

It can be divided in two parts, 30799 and 4, that added together give a palindrome (30803).

The spelling of 307994 in words is "three hundred seven thousand, nine hundred ninety-four".

Divisors: 1 2 153997 307994