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146115420 = 223511269823
BaseRepresentation
bin10001011010110…
…00101101011100
3101011221102200020
420231120231130
5244401143140
622255432140
73422650323
oct1055305534
9334842606
10146115420
1175529750
1240b25650
132436ba39
14155970ba
15cc636d0
hex8b58b5c

146115420 has 96 divisors (see below), whose sum is σ = 448519680. Its totient is φ = 35247360.

The previous prime is 146115407. The next prime is 146115421. The reversal of 146115420 is 24511641.

It is a happy number.

146115420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146115421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 177129 + ... + 177951.

It is an arithmetic number, because the mean of its divisors is an integer number (4672080).

Almost surely, 2146115420 is an apocalyptic number.

146115420 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 146115420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224259840).

146115420 is an abundant number, since it is smaller than the sum of its proper divisors (302404260).

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

146115420 is a wasteful number, since it uses less digits than its factorization.

146115420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115 (or 1113 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 146115420 is about 12087.8211436139. The cubic root of 146115420 is about 526.7024642299.

The spelling of 146115420 in words is "one hundred forty-six million, one hundred fifteen thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 269 330 538 660 807 823 1076 1345 1614 1646 2469 2690 2959 3228 3292 4035 4115 4938 5380 5918 8070 8230 8877 9053 9876 11836 12345 14795 16140 16460 17754 18106 24690 27159 29590 35508 36212 44385 45265 49380 54318 59180 88770 90530 108636 135795 177540 181060 221387 271590 442774 543180 664161 885548 1106935 1328322 2213870 2435257 2656644 3320805 4427740 4870514 6641610 7305771 9741028 12176285 13283220 14611542 24352570 29223084 36528855 48705140 73057710 146115420