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146601940 = 2257330097
BaseRepresentation
bin10001011110011…
…11011111010100
3101012212011001111
420233033133110
5300012230230
622314104404
73430044622
oct1057173724
9335764044
10146601940
1175831231
124111b104
13244ac314
1415682512
15cd0c92a
hex8bcf7d4

146601940 has 12 divisors (see below), whose sum is σ = 307864116. Its totient is φ = 58640768.

The previous prime is 146601911. The next prime is 146601941. The reversal of 146601940 is 49106641.

It can be written as a sum of positive squares in 2 ways, for example, as 87834384 + 58767556 = 9372^2 + 7666^2 .

It is a super-3 number, since 3×1466019403 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146601941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3665029 + ... + 3665068.

It is an arithmetic number, because the mean of its divisors is an integer number (25655343).

Almost surely, 2146601940 is an apocalyptic number.

146601940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146601940 is an abundant number, since it is smaller than the sum of its proper divisors (161262176).

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

146601940 is a wasteful number, since it uses less digits than its factorization.

146601940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7330106 (or 7330104 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 146601940 is about 12107.9288071908. The cubic root of 146601940 is about 527.2864030431.

The spelling of 146601940 in words is "one hundred forty-six million, six hundred one thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 7330097 14660194 29320388 36650485 73300970 146601940