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3140997 = 31046999
BaseRepresentation
bin1011111110110110000101
312220120122020
423332312011
51301002442
6151153353
735461266
oct13766605
95816566
103140997
111855972
121075859
1385c8a2
145ba96d
154209ec
hex2fed85

3140997 has 4 divisors (see below), whose sum is σ = 4188000. Its totient is φ = 2093996.

The previous prime is 3140993. The next prime is 3141001. The reversal of 3140997 is 7990413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (3140993) and next prime (3141001).

It is a cyclic number.

It is not a de Polignac number, because 3140997 - 22 = 3140993 is a prime.

It is a D-number.

3140997 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3140993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523497 + ... + 523502.

It is an arithmetic number, because the mean of its divisors is an integer number (1047000).

Almost surely, 23140997 is an apocalyptic number.

It is an amenable number.

3140997 is a deficient number, since it is larger than the sum of its proper divisors (1047003).

3140997 is a wasteful number, since it uses less digits than its factorization.

3140997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047002.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 3140997 is about 1772.2858121646. The cubic root of 3140997 is about 146.4499318319.

The spelling of 3140997 in words is "three million, one hundred forty thousand, nine hundred ninety-seven".

Divisors: 1 3 1046999 3140997