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146632940 = 2257331647
BaseRepresentation
bin10001011110101…
…11000011101100
3101012220201120122
420233113003230
5300014223230
622314504112
73430234166
oct1057270354
9335821518
10146632940
1175852553
1241135038
13244c046c
141568d936
15cd16be5
hex8bd70ec

146632940 has 12 divisors (see below), whose sum is σ = 307929216. Its totient is φ = 58653168.

The previous prime is 146632931. The next prime is 146632943. The reversal of 146632940 is 49236641.

It is a self number, because there is not a number n which added to its sum of digits gives 146632940.

It is not an unprimeable number, because it can be changed into a prime (146632943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3665804 + ... + 3665843.

It is an arithmetic number, because the mean of its divisors is an integer number (25660768).

Almost surely, 2146632940 is an apocalyptic number.

146632940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146632940 is an abundant number, since it is smaller than the sum of its proper divisors (161296276).

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

146632940 is a wasteful number, since it uses less digits than its factorization.

146632940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7331656 (or 7331654 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 146632940 is about 12109.2088924091. The cubic root of 146632940 is about 527.3235665497.

The spelling of 146632940 in words is "one hundred forty-six million, six hundred thirty-two thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 7331647 14663294 29326588 36658235 73316470 146632940