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141428740 = 22573157617
BaseRepresentation
bin10000110111000…
…00100000000100
3100212010022202111
420123200200010
5242201204430
622011150404
73335060455
oct1033404004
9325108674
10141428740
1172918562
123b445404
13233ba75b
1414ad712c
15c639c2a
hex86e0804

141428740 has 48 divisors (see below), whose sum is σ = 303477552. Its totient is φ = 55351296.

The previous prime is 141428731. The next prime is 141428753. The reversal of 141428740 is 47824141.

It is a happy number.

141428740 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 26853124 + 114575616 = 5182^2 + 10704^2 .

141428740 is strictly pandigital in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228912 + ... + 229528.

It is an arithmetic number, because the mean of its divisors is an integer number (6322449).

Almost surely, 2141428740 is an apocalyptic number.

141428740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141428740 is an abundant number, since it is smaller than the sum of its proper divisors (162048812).

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

141428740 is a wasteful number, since it uses less digits than its factorization.

141428740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856 (or 854 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 141428740 is about 11892.3815949540. The cubic root of 141428740 is about 521.0097981390.

The spelling of 141428740 in words is "one hundred forty-one million, four hundred twenty-eight thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 73 146 157 292 314 365 617 628 730 785 1234 1460 1570 2468 3085 3140 6170 11461 12340 22922 45041 45844 57305 90082 96869 114610 180164 193738 225205 229220 387476 450410 484345 900820 968690 1937380 7071437 14142874 28285748 35357185 70714370 141428740