Search a number
-
+
146635980 = 22352443933
BaseRepresentation
bin10001011110101…
…11110011001100
3101012220212202020
420233113303030
5300014322410
622314530140
73430246101
oct1057276314
9335825666
10146635980
1175854867
1241136950
13244c196a
1415690aa8
15cd17a70
hex8bd7ccc

146635980 has 24 divisors (see below), whose sum is σ = 410580912. Its totient is φ = 39102912.

The previous prime is 146635943. The next prime is 146635981. The reversal of 146635980 is 89536641.

It is a super-2 number, since 2×1466359802 = 43004221261120800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (146635981) 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, 1221907 + ... + 1222026.

It is an arithmetic number, because the mean of its divisors is an integer number (17107538).

Almost surely, 2146635980 is an apocalyptic number.

146635980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146635980 is an abundant number, since it is smaller than the sum of its proper divisors (263944932).

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

146635980 is a wasteful number, since it uses less digits than its factorization.

146635980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2443945 (or 2443943 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 146635980 is about 12109.3344160610. The cubic root of 146635980 is about 527.3272106890.

The spelling of 146635980 in words is "one hundred forty-six million, six hundred thirty-five thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2443933 4887866 7331799 9775732 12219665 14663598 24439330 29327196 36658995 48878660 73317990 146635980