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141953931 = 3372412617
BaseRepresentation
bin10000111011000…
…00101110001011
3100220010000012000
420131200232023
5242320011211
622030322043
73342405600
oct1035405613
9326100160
10141953931
11731470a9
123b659323
1323542812
1414bd26a7
15c6e0656
hex8760b8b

141953931 has 48 divisors (see below), whose sum is σ = 250699680. Its totient is φ = 79107840.

The previous prime is 141953897. The next prime is 141953947. The reversal of 141953931 is 139359141.

It is not a de Polignac number, because 141953931 - 29 = 141953419 is a prime.

It is a super-2 number, since 2×1419539312 = 40301837052705522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (141953431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52935 + ... + 55551.

It is an arithmetic number, because the mean of its divisors is an integer number (5222910).

Almost surely, 2141953931 is an apocalyptic number.

141953931 is a deficient number, since it is larger than the sum of its proper divisors (108745749).

141953931 is a wasteful number, since it uses less digits than its factorization.

141953931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2681 (or 2668 counting only the distinct ones).

The product of its digits is 14580, while the sum is 36.

The square root of 141953931 is about 11914.4421187062. The cubic root of 141953931 is about 521.6539191029.

It can be divided in two parts, 141953 and 931, that added together give a square (142884 = 3782).

The spelling of 141953931 in words is "one hundred forty-one million, nine hundred fifty-three thousand, nine hundred thirty-one".

Divisors: 1 3 7 9 21 27 41 49 63 123 147 189 287 369 441 861 1107 1323 2009 2583 2617 6027 7749 7851 18081 18319 23553 54243 54957 70659 107297 128233 164871 321891 384699 494613 751079 965673 1154097 2253237 2897019 3462291 5257553 6759711 15772659 20279133 47317977 141953931