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141221370 = 2354722131
BaseRepresentation
bin10000110101011…
…01110111111010
3100211201210022010
420122231313322
5242123040440
622002510350
73333235053
oct1032556772
9324653263
10141221370
1172796784
123b3653b6
1323347254
1414a8172a
15c5e8580
hex86addfa

141221370 has 48 divisors (see below), whose sum is σ = 346458528. Its totient is φ = 36840480.

The previous prime is 141221369. The next prime is 141221371. The reversal of 141221370 is 73122141.

It is an interprime number because it is at equal distance from previous prime (141221369) and next prime (141221371).

It is not an unprimeable number, because it can be changed into a prime (141221371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65205 + ... + 67335.

It is an arithmetic number, because the mean of its divisors is an integer number (7217886).

Almost surely, 2141221370 is an apocalyptic number.

141221370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 141221370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173229264).

141221370 is an abundant number, since it is smaller than the sum of its proper divisors (205237158).

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

141221370 is a wasteful number, since it uses less digits than its factorization.

141221370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2235 (or 2188 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 141221370 is about 11883.6597898122. The cubic root of 141221370 is about 520.7550299065.

The spelling of 141221370 in words is "one hundred forty-one million, two hundred twenty-one thousand, three hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 47 94 141 235 282 470 705 1410 2131 2209 4262 4418 6393 6627 10655 11045 12786 13254 21310 22090 31965 33135 63930 66270 100157 200314 300471 500785 600942 1001570 1502355 3004710 4707379 9414758 14122137 23536895 28244274 47073790 70610685 141221370