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101430140 = 22573123371
BaseRepresentation
bin1100000101110…
…11001101111100
321001212011222212
412002323031330
5201431231030
614021555552
72341066460
oct602731574
9231764885
10101430140
1152288a69
1229b75bb8
1318024746
14d6844a0
158d88595
hex60bb37c

101430140 has 48 divisors (see below), whose sum is σ = 251295744. Its totient is φ = 33652800.

The previous prime is 101430071. The next prime is 101430149. The reversal of 101430140 is 41034101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101430149) 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, 7346 + ... + 16025.

It is an arithmetic number, because the mean of its divisors is an integer number (5235328).

Almost surely, 2101430140 is an apocalyptic number.

101430140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101430140 is an abundant number, since it is smaller than the sum of its proper divisors (149865604).

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

101430140 is a wasteful number, since it uses less digits than its factorization.

101430140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23418 (or 23416 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 101430140 is about 10071.2531494348. The cubic root of 101430140 is about 466.3611253930.

Adding to 101430140 its reverse (41034101), we get a palindrome (142464241).

The spelling of 101430140 in words is "one hundred one million, four hundred thirty thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 31 35 62 70 124 140 155 217 310 434 620 868 1085 2170 4340 23371 46742 93484 116855 163597 233710 327194 467420 654388 724501 817985 1449002 1635970 2898004 3271940 3622505 5071507 7245010 10143014 14490020 20286028 25357535 50715070 101430140