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141866420 = 2257093321
BaseRepresentation
bin10000111010010…
…11010110110100
3100212221120010212
420131023112310
5242304211140
622024404552
73341562503
oct1035132664
9325846125
10141866420
1173097383
123b616758
1323511a37
1414bac83a
15c6c4765
hex874b5b4

141866420 has 12 divisors (see below), whose sum is σ = 297919524. Its totient is φ = 56746560.

The previous prime is 141866363. The next prime is 141866423. The reversal of 141866420 is 24668141.

141866420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 80964004 + 60902416 = 8998^2 + 7804^2 .

It is a super-2 number, since 2×1418664202 = 40252162247232800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141866423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3546641 + ... + 3546680.

It is an arithmetic number, because the mean of its divisors is an integer number (24826627).

Almost surely, 2141866420 is an apocalyptic number.

141866420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141866420 is an abundant number, since it is smaller than the sum of its proper divisors (156053104).

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

141866420 is a wasteful number, since it uses less digits than its factorization.

141866420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7093330 (or 7093328 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 141866420 is about 11910.7690767641. The cubic root of 141866420 is about 521.5467015951.

The spelling of 141866420 in words is "one hundred forty-one million, eight hundred sixty-six thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 7093321 14186642 28373284 35466605 70933210 141866420