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141446820 = 223514931579
BaseRepresentation
bin10000110111001…
…00111010100100
3100212011020120010
420123210322210
5242202244240
622011410220
73335164254
oct1033447244
9325136503
10141446820
11729300a9
123b453970
13233c5a58
1414add964
15c640280
hex86e4ea4

141446820 has 48 divisors (see below), whose sum is σ = 396567360. Its totient is φ = 37670016.

The previous prime is 141446813. The next prime is 141446863. The reversal of 141446820 is 28644141.

It is a super-2 number, since 2×1414468202 = 40014405776224800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 88791 + ... + 90369.

It is an arithmetic number, because the mean of its divisors is an integer number (8261820).

Almost surely, 2141446820 is an apocalyptic number.

141446820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141446820 is an abundant number, since it is smaller than the sum of its proper divisors (255120540).

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

141446820 is a wasteful number, since it uses less digits than its factorization.

141446820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3084 (or 3082 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 141446820 is about 11893.1417211770. The cubic root of 141446820 is about 521.0319988501.

The spelling of 141446820 in words is "one hundred forty-one million, four hundred forty-six thousand, eight hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1493 1579 2986 3158 4479 4737 5972 6316 7465 7895 8958 9474 14930 15790 17916 18948 22395 23685 29860 31580 44790 47370 89580 94740 2357447 4714894 7072341 9429788 11787235 14144682 23574470 28289364 35361705 47148940 70723410 141446820