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3749490 = 23551543
BaseRepresentation
bin1110010011011001110010
321001111100000
432103121302
51424440430
6212210430
743604313
oct16233162
97044300
103749490
112131058
121309a16
13a13844
146d860a
154e0e60
hex393672

3749490 has 48 divisors (see below), whose sum is σ = 10116288. Its totient is φ = 999216.

The previous prime is 3749477. The next prime is 3749527. The reversal of 3749490 is 949473.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1659 + ... + 3201.

It is an arithmetic number, because the mean of its divisors is an integer number (210756).

Almost surely, 23749490 is an apocalyptic number.

3749490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3749490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5058144).

3749490 is an abundant number, since it is smaller than the sum of its proper divisors (6366798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3749490 is a wasteful number, since it uses less digits than its factorization.

3749490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565 (or 1553 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 3749490 is about 1936.3599871925. The cubic root of 3749490 is about 155.3545819180.

The spelling of 3749490 in words is "three million, seven hundred forty-nine thousand, four hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 243 270 405 486 810 1215 1543 2430 3086 4629 7715 9258 13887 15430 23145 27774 41661 46290 69435 83322 124983 138870 208305 249966 374949 416610 624915 749898 1249830 1874745 3749490