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140619642 = 23148715761
BaseRepresentation
bin10000110000110…
…10111101111010
3100210121012212220
420120122331322
5241444312032
621541544510
73325150542
oct1030327572
9323535786
10140619642
1172415689
123b115136
13231963b7
1414966322
15c52a12c
hex861af7a

140619642 has 16 divisors (see below), whose sum is σ = 281446272. Its totient is φ = 46838720.

The previous prime is 140619641. The next prime is 140619643. The reversal of 140619642 is 246916041.

It is an interprime number because it is at equal distance from previous prime (140619641) and next prime (140619643).

It is not an unprimeable number, because it can be changed into a prime (140619641) 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, 1042 + ... + 16802.

It is an arithmetic number, because the mean of its divisors is an integer number (17590392).

Almost surely, 2140619642 is an apocalyptic number.

140619642 is an abundant number, since it is smaller than the sum of its proper divisors (140826630).

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

140619642 is a wasteful number, since it uses less digits than its factorization.

140619642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17253.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 140619642 is about 11858.3153103634. The cubic root of 140619642 is about 520.0143511818.

The spelling of 140619642 in words is "one hundred forty million, six hundred nineteen thousand, six hundred forty-two".

Divisors: 1 2 3 6 1487 2974 4461 8922 15761 31522 47283 94566 23436607 46873214 70309821 140619642