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244170121 = 13196191597
BaseRepresentation
bin11101000110110…
…11110110001001
3122000110010102211
432203123312021
51000001420441
640121225121
76023261146
oct1643336611
9560403384
10244170121
11115911698
12699321a1
133b780c80
14245dd3cd
1516681a81
hexe8dbd89

244170121 has 16 divisors (see below), whose sum is σ = 277412800. Its totient is φ = 213046848.

The previous prime is 244170097. The next prime is 244170131. The reversal of 244170121 is 121071442.

It is not a de Polignac number, because 244170121 - 211 = 244168073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 244170092 and 244170101.

It is not an unprimeable number, because it can be changed into a prime (244170131) 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, 152095 + ... + 153691.

It is an arithmetic number, because the mean of its divisors is an integer number (17338300).

Almost surely, 2244170121 is an apocalyptic number.

It is an amenable number.

244170121 is a deficient number, since it is larger than the sum of its proper divisors (33242679).

244170121 is a wasteful number, since it uses less digits than its factorization.

244170121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2248.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 244170121 is about 15625.9438434931. The cubic root of 244170121 is about 625.0251689064.

The spelling of 244170121 in words is "two hundred forty-four million, one hundred seventy thousand, one hundred twenty-one".

Divisors: 1 13 19 247 619 1597 8047 11761 20761 30343 152893 394459 988543 12851059 18782317 244170121