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352512140 = 22517625607
BaseRepresentation
bin10101000000101…
…110100010001100
3220120022110202012
4111000232202030
51210220342030
654551320352
711510206121
oct2500564214
9816273665
10352512140
11170a90652
129a0800b8
1358055786
1434b62748
1520e33095
hex1502e88c

352512140 has 12 divisors (see below), whose sum is σ = 740275536. Its totient is φ = 141004848.

The previous prime is 352512103. The next prime is 352512163. The reversal of 352512140 is 41215253.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8812784 + ... + 8812823.

It is an arithmetic number, because the mean of its divisors is an integer number (61689628).

Almost surely, 2352512140 is an apocalyptic number.

It is an amenable number.

352512140 is an abundant number, since it is smaller than the sum of its proper divisors (387763396).

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

352512140 is a wasteful number, since it uses less digits than its factorization.

352512140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17625616 (or 17625614 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 352512140 is about 18775.3066552853. The cubic root of 352512140 is about 706.4119315430.

Adding to 352512140 its reverse (41215253), we get a palindrome (393727393).

The spelling of 352512140 in words is "three hundred fifty-two million, five hundred twelve thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 17625607 35251214 70502428 88128035 176256070 352512140