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441242157 = 31747184081
BaseRepresentation
bin11010010011001…
…101001000101101
31010202021102110010
4122103031020231
51400424222112
6111441203433
713635332166
oct3223151055
91122242403
10441242157
11207084844
12103930579
1370551645
144285c76d
1528b0d63c
hex1a4cd22d

441242157 has 16 divisors (see below), whose sum is σ = 636187392. Its totient is φ = 270965760.

The previous prime is 441242147. The next prime is 441242161. The reversal of 441242157 is 751242144.

It is not a de Polignac number, because 441242157 - 27 = 441242029 is a prime.

It is a super-2 number, since 2×4412421572 = 389389282228025298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441242107) 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, 89644 + ... + 94437.

It is an arithmetic number, because the mean of its divisors is an integer number (39761712).

Almost surely, 2441242157 is an apocalyptic number.

441242157 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

441242157 is a deficient number, since it is larger than the sum of its proper divisors (194945235).

441242157 is a wasteful number, since it uses less digits than its factorization.

441242157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184148.

The product of its digits is 8960, while the sum is 30.

The square root of 441242157 is about 21005.7648515830. The cubic root of 441242157 is about 761.3055566508.

The spelling of 441242157 in words is "four hundred forty-one million, two hundred forty-two thousand, one hundred fifty-seven".

Divisors: 1 3 17 47 51 141 799 2397 184081 552243 3129377 8651807 9388131 25955421 147080719 441242157