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4120949 = 72372273
BaseRepresentation
bin1111101110000101110101
321202100212202
433232011311
52023332244
6224154245
750012300
oct17560565
97670782
104120949
112365148
121468985
13b13941
14793b37
1556604e
hex3ee175

4120949 has 12 divisors (see below), whose sum is σ = 4925484. Its totient is φ = 3435264.

The previous prime is 4120939. The next prime is 4120957. The reversal of 4120949 is 9490214.

It can be written as a sum of positive squares in 2 ways, for example, as 3678724 + 442225 = 1918^2 + 665^2 .

It is not a de Polignac number, because 4120949 - 220 = 3072373 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4120939) 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, 677 + ... + 2949.

It is an arithmetic number, because the mean of its divisors is an integer number (410457).

Almost surely, 24120949 is an apocalyptic number.

4120949 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4120949 is a deficient number, since it is larger than the sum of its proper divisors (804535).

4120949 is a wasteful number, since it uses less digits than its factorization.

4120949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2324 (or 2317 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 4120949 is about 2030.0120689296. The cubic root of 4120949 is about 160.3241994193.

It can be divided in two parts, 41209 and 49, that multiplied together give a square (2019241 = 14212).

The spelling of 4120949 in words is "four million, one hundred twenty thousand, nine hundred forty-nine".

Divisors: 1 7 37 49 259 1813 2273 15911 84101 111377 588707 4120949