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4544949 = 379127151
BaseRepresentation
bin10001010101100110110101
322112220111110
4101111212311
52130414244
6241225233
753426403
oct21254665
98486443
104544949
112624762
121632219
13c31926
14864473
155eb9b9
hex4559b5

4544949 has 16 divisors (see below), whose sum is σ = 6225920. Its totient is φ = 2948400.

The previous prime is 4544921. The next prime is 4544951. The reversal of 4544949 is 9494454.

It is not a de Polignac number, because 4544949 - 29 = 4544437 is a prime.

It is a super-2 number, since 2×45449492 = 41313122825202, which contains 22 as substring.

It is a Duffinian number.

Its product of digits (103680) is a multiple of the sum of its prime divisors (360).

4544949 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4544959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30024 + ... + 30174.

It is an arithmetic number, because the mean of its divisors is an integer number (389120).

Almost surely, 24544949 is an apocalyptic number.

It is an amenable number.

4544949 is a deficient number, since it is larger than the sum of its proper divisors (1680971).

4544949 is a wasteful number, since it uses less digits than its factorization.

4544949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360.

The product of its digits is 103680, while the sum is 39.

The square root of 4544949 is about 2131.8885993410. Note that the first 3 decimals coincide. The cubic root of 4544949 is about 165.6442397965.

The spelling of 4544949 in words is "four million, five hundred forty-four thousand, nine hundred forty-nine".

Divisors: 1 3 79 127 151 237 381 453 10033 11929 19177 30099 35787 57531 1514983 4544949