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1914448107 = 3111343591759
BaseRepresentation
bin111001000011100…
…0010100011101011
311221102101001002110
41302013002203223
512410044314412
6513545133403
765304353235
oct16207024353
94842331073
101914448107
118a2724220
1245518a263
13246821c40
14142389255
15b3113d3c
hex721c28eb

1914448107 has 64 divisors (see below), whose sum is σ = 3122380800. Its totient is φ = 1027797120.

The previous prime is 1914448091. The next prime is 1914448127. The reversal of 1914448107 is 7018444191.

It is not a de Polignac number, because 1914448107 - 24 = 1914448091 is a prime.

It is a super-2 number, since 2×19144481072 = 7330223108791766898, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (1914448127) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1087494 + ... + 1089252.

It is an arithmetic number, because the mean of its divisors is an integer number (48787200).

Almost surely, 21914448107 is an apocalyptic number.

1914448107 is a deficient number, since it is larger than the sum of its proper divisors (1207932693).

1914448107 is a wasteful number, since it uses less digits than its factorization.

1914448107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888.

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 1914448107 is about 43754.4067152098. The cubic root of 1914448107 is about 1241.6938581516.

The spelling of 1914448107 in words is "one billion, nine hundred fourteen million, four hundred forty-eight thousand, one hundred seven".

Divisors: 1 3 11 13 33 39 43 59 129 143 177 429 473 559 649 767 1419 1677 1759 1947 2301 2537 5277 6149 7611 8437 18447 19349 22867 25311 27907 32981 58047 68601 75637 83721 98943 103781 226911 251537 311343 362791 754611 832007 983281 1088373 1141591 1349153 2496021 2949843 3424773 4047459 4462583 10816091 13387749 14840683 32448273 44522049 49088413 58013579 147265239 174040737 638149369 1914448107