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2997938 = 21498969
BaseRepresentation
bin1011011011111010110010
312122022101202
423123322302
51231413223
6144131202
734324226
oct13337262
95568352
102997938
111768439
121006b02
1380c738
14580786
153e3428
hex2dbeb2

2997938 has 4 divisors (see below), whose sum is σ = 4496910. Its totient is φ = 1498968.

The previous prime is 2997919. The next prime is 2997947. The reversal of 2997938 is 8397992.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2211169 + 786769 = 1487^2 + 887^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2997892 and 2997901.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 749483 + ... + 749486.

22997938 is an apocalyptic number.

2997938 is a deficient number, since it is larger than the sum of its proper divisors (1498972).

2997938 is a wasteful number, since it uses less digits than its factorization.

2997938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498971.

The product of its digits is 244944, while the sum is 47.

The square root of 2997938 is about 1731.4554571227. The cubic root of 2997938 is about 144.1919059171.

The spelling of 2997938 in words is "two million, nine hundred ninety-seven thousand, nine hundred thirty-eight".

Divisors: 1 2 1498969 2997938