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120103430 = 25157227337
BaseRepresentation
bin1110010100010…
…10001000000110
322100222212221012
413022022020012
5221221302210
615530122222
72655601526
oct712121006
9270885835
10120103430
1161882537
1234280372
131bb62025
1411d45686
15a826305
hex728a206

120103430 has 32 divisors (see below), whose sum is σ = 219170016. Its totient is φ = 47384064.

The previous prime is 120103411. The next prime is 120103433. The reversal of 120103430 is 34301021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120103433) 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, 356222 + ... + 356558.

It is an arithmetic number, because the mean of its divisors is an integer number (6849063).

Almost surely, 2120103430 is an apocalyptic number.

120103430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120103430 is a deficient number, since it is larger than the sum of its proper divisors (99066586).

120103430 is a wasteful number, since it uses less digits than its factorization.

120103430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 120103430 is about 10959.1710452935. The cubic root of 120103430 is about 493.3840854572.

Adding to 120103430 its reverse (34301021), we get a palindrome (154404451).

The spelling of 120103430 in words is "one hundred twenty million, one hundred three thousand, four hundred thirty".

Divisors: 1 2 5 10 157 227 314 337 454 674 785 1135 1570 1685 2270 3370 35639 52909 71278 76499 105818 152998 178195 264545 356390 382495 529090 764990 12010343 24020686 60051715 120103430