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102230430 = 2353407681
BaseRepresentation
bin1100001011111…
…10100110011110
321010100211210020
412011332212132
5202132333210
614051053010
72350641621
oct605764636
9233324706
10102230430
1152785265
122a2a1166
1318244aa3
14d811db8
158e95770
hex617e99e

102230430 has 16 divisors (see below), whose sum is σ = 245353104. Its totient is φ = 27261440.

The previous prime is 102230413. The next prime is 102230437. The reversal of 102230430 is 34032201.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102230437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1703811 + ... + 1703870.

It is an arithmetic number, because the mean of its divisors is an integer number (15334569).

Almost surely, 2102230430 is an apocalyptic number.

102230430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102230430 is an abundant number, since it is smaller than the sum of its proper divisors (143122674).

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

102230430 is a wasteful number, since it uses less digits than its factorization.

102230430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3407691.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 102230430 is about 10110.9064875510. The cubic root of 102230430 is about 467.5844528908.

Adding to 102230430 its reverse (34032201), we get a palindrome (136262631).

The spelling of 102230430 in words is "one hundred two million, two hundred thirty thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 3407681 6815362 10223043 17038405 20446086 34076810 51115215 102230430