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140101444 = 2277963337
BaseRepresentation
bin10000101100111…
…00011101000100
3100202121220001101
420112130131010
5241331221234
621522505444
73320562010
oct1026343504
9322556041
10140101444
11720a131a
123ab05284
1323044582
141486d540
15c476814
hex859c744

140101444 has 24 divisors (see below), whose sum is σ = 283754240. Its totient is φ = 59282496.

The previous prime is 140101417. The next prime is 140101517. The reversal of 140101444 is 444101041.

It is a super-2 number, since 2×1401014442 = 39256829221770272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29457 + ... + 33880.

Almost surely, 2140101444 is an apocalyptic number.

140101444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

140101444 is an abundant number, since it is smaller than the sum of its proper divisors (143652796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140101444 is a wasteful number, since it uses less digits than its factorization.

140101444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63427 (or 63425 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 140101444 is about 11836.4455813390. The cubic root of 140101444 is about 519.3747959460.

Adding to 140101444 its reverse (444101041), we get a palindrome (584202485).

It can be divided in two parts, 1401014 and 44, that multiplied together give a palindrome (61644616).

The spelling of 140101444 in words is "one hundred forty million, one hundred one thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 79 158 316 553 1106 2212 63337 126674 253348 443359 886718 1773436 5003623 10007246 20014492 35025361 70050722 140101444