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140546252 = 22711487937
BaseRepresentation
bin10000110000010…
…01000011001100
3100210110111012202
420120021003030
5241434440002
621540221032
73324423560
oct1030110314
9323414182
10140546252
1172375530
123b09a778
132316bb82
14149476a0
15c513502
hex86090cc

140546252 has 48 divisors (see below), whose sum is σ = 307603968. Its totient is φ = 54587520.

The previous prime is 140546233. The next prime is 140546279. The reversal of 140546252 is 252645041.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149528 + ... + 150464.

It is an arithmetic number, because the mean of its divisors is an integer number (6408416).

Almost surely, 2140546252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140546252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153801984).

140546252 is an abundant number, since it is smaller than the sum of its proper divisors (167057716).

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

140546252 is a wasteful number, since it uses less digits than its factorization.

140546252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446 (or 1444 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 140546252 is about 11855.2204534543. The cubic root of 140546252 is about 519.9238695253.

The spelling of 140546252 in words is "one hundred forty million, five hundred forty-six thousand, two hundred fifty-two".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 487 937 974 1874 1948 3409 3748 5357 6559 6818 10307 10714 13118 13636 20614 21428 26236 37499 41228 72149 74998 144298 149996 288596 456319 912638 1825276 3194233 5019509 6388466 10039018 12776932 20078036 35136563 70273126 140546252