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141951920 = 24511161309
BaseRepresentation
bin10000111011000…
…00001110110000
3100220002220102112
420131200032300
5242314430140
622030304452
73342366665
oct1035401660
9326086375
10141951920
1173145640
123b658128
1323541926
1414bd1a6c
15c6dec65
hex87603b0

141951920 has 40 divisors (see below), whose sum is σ = 360043920. Its totient is φ = 51618560.

The previous prime is 141951919. The next prime is 141951923. The reversal of 141951920 is 29159141.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (141951923) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 79775 + ... + 81534.

It is an arithmetic number, because the mean of its divisors is an integer number (9001098).

Almost surely, 2141951920 is an apocalyptic number.

141951920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141951920 is an abundant number, since it is smaller than the sum of its proper divisors (218092000).

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

141951920 is a wasteful number, since it uses less digits than its factorization.

141951920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161333 (or 161327 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 141951920 is about 11914.3577250308. The cubic root of 141951920 is about 521.6514557427.

The spelling of 141951920 in words is "one hundred forty-one million, nine hundred fifty-one thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 440 880 161309 322618 645236 806545 1290472 1613090 1774399 2580944 3226180 3548798 6452360 7097596 8871995 12904720 14195192 17743990 28390384 35487980 70975960 141951920