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11914007 = 721967191
BaseRepresentation
bin101101011100…
…101100010111
3211102021221112
4231130230113
511022222012
61103205235
7203160500
oct55345427
924367845
1011914007
1167a8196
123ba681b
132611b11
141821ba7
1510a5122
hexb5cb17

11914007 has 24 divisors (see below), whose sum is σ = 14883840. Its totient is φ = 9480240.

The previous prime is 11914003. The next prime is 11914009. The reversal of 11914007 is 70041911.

It is not a de Polignac number, because 11914007 - 22 = 11914003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11914003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62282 + ... + 62472.

It is an arithmetic number, because the mean of its divisors is an integer number (620160).

Almost surely, 211914007 is an apocalyptic number.

11914007 is a deficient number, since it is larger than the sum of its proper divisors (2969833).

11914007 is a wasteful number, since it uses less digits than its factorization.

11914007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 11914007 is about 3451.6672782874. The cubic root of 11914007 is about 228.3946624586.

Adding to 11914007 its reverse (70041911), we get a palindrome (81955918).

The spelling of 11914007 in words is "eleven million, nine hundred fourteen thousand, seven".

Divisors: 1 7 19 49 67 133 191 469 931 1273 1337 3283 3629 8911 9359 12797 25403 62377 89579 177821 243143 627053 1702001 11914007