Search a number
-
+
120458438 = 2151569701
BaseRepresentation
bin1110010111000…
…00110011000110
322101122220220122
413023200303012
5221314132223
615541501542
72661610532
oct713406306
9271586818
10120458438
1161aa5231
12344118b2
131bc577a9
1411dd8bc2
15a8965c8
hex72e0cc6

120458438 has 16 divisors (see below), whose sum is σ = 182463840. Its totient is φ = 59640000.

The previous prime is 120458419. The next prime is 120458449. The reversal of 120458438 is 834854021.

It is a junction number, because it is equal to n+sod(n) for n = 120458398 and 120458407.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 171488 + ... + 172188.

It is an arithmetic number, because the mean of its divisors is an integer number (11403990).

Almost surely, 2120458438 is an apocalyptic number.

120458438 is a deficient number, since it is larger than the sum of its proper divisors (62005402).

120458438 is a wasteful number, since it uses less digits than its factorization.

120458438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423.

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 120458438 is about 10975.3559395584. The cubic root of 120458438 is about 493.8697307673.

The spelling of 120458438 in words is "one hundred twenty million, four hundred fifty-eight thousand, four hundred thirty-eight".

Divisors: 1 2 151 302 569 701 1138 1402 85919 105851 171838 211702 398869 797738 60229219 120458438