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2940931 = 72471277
BaseRepresentation
bin1011001110000000000011
312112102012101
423032000003
51223102211
6143011231
733666100
oct13160003
95472171
102940931
111729624
12b99b17
137bc7c6
14567aa7
153d15c1
hex2ce003

2940931 has 12 divisors (see below), whose sum is σ = 3496608. Its totient is φ = 2465232.

The previous prime is 2940911. The next prime is 2940937. The reversal of 2940931 is 1390492.

2940931 = T330 + T331 + ... + T376.

It is a happy number.

It is not a de Polignac number, because 2940931 - 29 = 2940419 is a prime.

It is a super-2 number, since 2×29409312 = 17298150293522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2940931.

It is not an unprimeable number, because it can be changed into a prime (2940937) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1665 + ... + 2941.

It is an arithmetic number, because the mean of its divisors is an integer number (291384).

22940931 is an apocalyptic number.

2940931 is a deficient number, since it is larger than the sum of its proper divisors (555677).

2940931 is a wasteful number, since it uses less digits than its factorization.

2940931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338 (or 1331 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 2940931 is about 1714.9142835722. The cubic root of 2940931 is about 143.2720951068.

The spelling of 2940931 in words is "two million, nine hundred forty thousand, nine hundred thirty-one".

Divisors: 1 7 47 49 329 1277 2303 8939 60019 62573 420133 2940931