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146454740 = 22516194523
BaseRepresentation
bin10001011101010…
…11100011010100
3101012120200010122
420232223203110
5244443022430
622311011112
73425562515
oct1056534324
9335520118
10146454740
1175740683
1241069a98
132445a313
1415644a0c
15cccdee5
hex8bab8d4

146454740 has 24 divisors (see below), whose sum is σ = 307812960. Its totient is φ = 58532768.

The previous prime is 146454719. The next prime is 146454743. The reversal of 146454740 is 47454641.

146454740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 146454740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146454743) 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, 30119 + ... + 34641.

It is an arithmetic number, because the mean of its divisors is an integer number (12825540).

Almost surely, 2146454740 is an apocalyptic number.

146454740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146454740 is an abundant number, since it is smaller than the sum of its proper divisors (161358220).

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

146454740 is a wasteful number, since it uses less digits than its factorization.

146454740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6151 (or 6149 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 146454740 is about 12101.8486191160. The cubic root of 146454740 is about 527.1098647909.

Subtracting from 146454740 its reverse (47454641), we obtain a palindrome (99000099).

The spelling of 146454740 in words is "one hundred forty-six million, four hundred fifty-four thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 1619 3238 4523 6476 8095 9046 16190 18092 22615 32380 45230 90460 7322737 14645474 29290948 36613685 73227370 146454740