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1234143100 = 2252194611409
BaseRepresentation
bin100100110001111…
…1000011101111100
310012000020222001201
41021203320131330
510011420034400
6322243545244
742404020561
oct11143703574
93160228051
101234143100
11583706a83
122a538b224
131688ba1b8
14b9c9a868
157353206a
hex498f877c

1234143100 has 72 divisors (see below), whose sum is σ = 2827162800. Its totient is φ = 466329600.

The previous prime is 1234143049. The next prime is 1234143137. The reversal of 1234143100 is 13414321.

It is a super-2 number, since 2×12341431002 = 3046218382555220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 875196 + ... + 876604.

It is an arithmetic number, because the mean of its divisors is an integer number (39266150).

Almost surely, 21234143100 is an apocalyptic number.

1234143100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1234143100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1413581400).

1234143100 is an abundant number, since it is smaller than the sum of its proper divisors (1593019700).

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

1234143100 is a wasteful number, since it uses less digits than its factorization.

1234143100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903 (or 1896 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1234143100 is about 35130.3728986756. The cubic root of 1234143100 is about 1072.6429264552.

Adding to 1234143100 its reverse (13414321), we get a palindrome (1247557421).

The spelling of 1234143100 in words is "one billion, two hundred thirty-four million, one hundred forty-three thousand, one hundred".

Divisors: 1 2 4 5 10 19 20 25 38 50 76 95 100 190 380 461 475 922 950 1409 1844 1900 2305 2818 4610 5636 7045 8759 9220 11525 14090 17518 23050 26771 28180 35036 35225 43795 46100 53542 70450 87590 107084 133855 140900 175180 218975 267710 437950 535420 649549 669275 875900 1299098 1338550 2598196 2677100 3247745 6495490 12341431 12990980 16238725 24682862 32477450 49365724 61707155 64954900 123414310 246828620 308535775 617071550 1234143100