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141355520 = 29555217
BaseRepresentation
bin10000110110011…
…10101000000000
3100211222121022122
420123032220000
5242141334040
622005423412
73334334135
oct1033165000
9324877278
10141355520
1172878549
123b40ab68
1323393327
1414ab858c
15c6231b5
hex86cea00

141355520 has 40 divisors (see below), whose sum is σ = 338928084. Its totient is φ = 56541184.

The previous prime is 141355507. The next prime is 141355531. The reversal of 141355520 is 25553141.

It can be written as a sum of positive squares in 2 ways, for example, as 141324544 + 30976 = 11888^2 + 176^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 141355520.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25049 + ... + 30168.

Almost surely, 2141355520 is an apocalyptic number.

141355520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141355520 is an abundant number, since it is smaller than the sum of its proper divisors (197572564).

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

141355520 is an frugal number, since it uses more digits than its factorization.

141355520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55240 (or 55224 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 141355520 is about 11889.3027549979. The cubic root of 141355520 is about 520.9198708191.

The spelling of 141355520 in words is "one hundred forty-one million, three hundred fifty-five thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1280 2560 55217 110434 220868 276085 441736 552170 883472 1104340 1766944 2208680 3533888 4417360 7067776 8834720 14135552 17669440 28271104 35338880 70677760 141355520