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244154001 = 37131316827
BaseRepresentation
bin11101000110101…
…11111010010001
3122000102022022210
432203113322101
51000000412001
640121022333
76023163150
oct1643277221
9560368283
10244154001
11115900573
12699249a9
133b776830
14245d7597
151667bdd6
hexe8d7e91

244154001 has 32 divisors (see below), whose sum is σ = 403780608. Its totient is φ = 127782720.

The previous prime is 244153999. The next prime is 244154011. The reversal of 244154001 is 100451442.

It is a happy number.

It is not a de Polignac number, because 244154001 - 21 = 244153999 is a prime.

It is a super-2 number, since 2×2441540012 = 119222352408616002, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (244154011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32350 + ... + 39176.

It is an arithmetic number, because the mean of its divisors is an integer number (12618144).

Almost surely, 2244154001 is an apocalyptic number.

244154001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

244154001 is a deficient number, since it is larger than the sum of its proper divisors (159626607).

244154001 is a wasteful number, since it uses less digits than its factorization.

244154001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6981.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 244154001 is about 15625.4280261374. The cubic root of 244154001 is about 625.0114139782.

The spelling of 244154001 in words is "two hundred forty-four million, one hundred fifty-four thousand, one".

Divisors: 1 3 7 13 21 39 91 131 273 393 917 1703 2751 5109 6827 11921 20481 35763 47789 88751 143367 266253 621257 894337 1863771 2683011 6260359 11626381 18781077 34879143 81384667 244154001