Search a number
-
+
126888284 = 2241975709
BaseRepresentation
bin1111001000000…
…10100101011100
322211202121000002
413210002211130
5224440411114
620331353432
73100350455
oct744024534
9284677002
10126888284
1165697056
12365b2878
1320399333
1412bd012c
15b2167de
hex790295c

126888284 has 12 divisors (see below), whose sum is σ = 222587400. Its totient is φ = 63291888.

The previous prime is 126888271. The next prime is 126888287. The reversal of 126888284 is 482888621.

It is a super-2 number, since 2×1268882842 = 32201273232929312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126888287) 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, 36179 + ... + 39530.

It is an arithmetic number, because the mean of its divisors is an integer number (18548950).

Almost surely, 2126888284 is an apocalyptic number.

It is an amenable number.

126888284 is a deficient number, since it is larger than the sum of its proper divisors (95699116).

126888284 is a wasteful number, since it uses less digits than its factorization.

126888284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76132 (or 76130 counting only the distinct ones).

The product of its digits is 393216, while the sum is 47.

The square root of 126888284 is about 11264.4699830929. The cubic root of 126888284 is about 502.5051395892.

The spelling of 126888284 in words is "one hundred twenty-six million, eight hundred eighty-eight thousand, two hundred eighty-four".

Divisors: 1 2 4 419 838 1676 75709 151418 302836 31722071 63444142 126888284