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102232120 = 23573157223
BaseRepresentation
bin1100001011111…
…11000000111000
321010100221002211
412011333000320
5202132411440
614051104504
72350646554
oct605770070
9233327084
10102232120
1152786561
122a2a2134
13182457a3
14d812864
158e95eea
hex617f038

102232120 has 64 divisors (see below), whose sum is σ = 235710720. Its totient is φ = 39896064.

The previous prime is 102232069. The next prime is 102232127. The reversal of 102232120 is 21232201.

It is a self number, because there is not a number n which added to its sum of digits gives 102232120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102232127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458329 + ... + 458551.

It is an arithmetic number, because the mean of its divisors is an integer number (3682980).

Almost surely, 2102232120 is an apocalyptic number.

102232120 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 102232120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117855360).

102232120 is an abundant number, since it is smaller than the sum of its proper divisors (133478600).

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

102232120 is a wasteful number, since it uses less digits than its factorization.

102232120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464 (or 460 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 102232120 is about 10110.9900603254. The cubic root of 102232120 is about 467.5870294667.

Adding to 102232120 its reverse (21232201), we get a palindrome (123464321).

The spelling of 102232120 in words is "one hundred two million, two hundred thirty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 73 146 157 223 292 314 365 446 584 628 730 785 892 1115 1256 1460 1570 1784 2230 2920 3140 4460 6280 8920 11461 16279 22922 32558 35011 45844 57305 65116 70022 81395 91688 114610 130232 140044 162790 175055 229220 280088 325580 350110 458440 651160 700220 1400440 2555803 5111606 10223212 12779015 20446424 25558030 51116060 102232120