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101244030 = 2357942719
BaseRepresentation
bin1100000100011…
…01110001111110
321001111201200220
412002031301332
5201404302110
614014002210
72336363046
oct602156176
9231451626
10101244030
1152171158
1229aa6366
1317c8ab14
14d636726
158d4d370
hex608dc7e

101244030 has 32 divisors (see below), whose sum is σ = 246067200. Its totient is φ = 26656032.

The previous prime is 101244029. The next prime is 101244037. The reversal of 101244030 is 30442101.

It is a super-2 number, since 2×1012440302 = 20500707221281800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101244037) 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, 18990 + ... + 23729.

It is an arithmetic number, because the mean of its divisors is an integer number (7689600).

Almost surely, 2101244030 is an apocalyptic number.

101244030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101244030 is an abundant number, since it is smaller than the sum of its proper divisors (144823170).

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

101244030 is a wasteful number, since it uses less digits than its factorization.

101244030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42808.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 101244030 is about 10062.0092426910. The cubic root of 101244030 is about 466.0757151313.

Adding to 101244030 its reverse (30442101), we get a palindrome (131686131).

The spelling of 101244030 in words is "one hundred one million, two hundred forty-four thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 79 158 237 395 474 790 1185 2370 42719 85438 128157 213595 256314 427190 640785 1281570 3374801 6749602 10124403 16874005 20248806 33748010 50622015 101244030