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133103230 = 25131023871
BaseRepresentation
bin1111110111011…
…11111001111110
3100021110100022021
413323233321332
5233033300410
621112510354
73204234031
oct773577176
9307410267
10133103230
1169151477
12386ab3ba
1321764110
141396b018
15ba42eda
hex7eefe7e

133103230 has 16 divisors (see below), whose sum is σ = 258015744. Its totient is φ = 49145760.

The previous prime is 133103219. The next prime is 133103263. The reversal of 133103230 is 32301331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511806 + ... + 512065.

It is an arithmetic number, because the mean of its divisors is an integer number (16125984).

Almost surely, 2133103230 is an apocalyptic number.

133103230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133103230 is a deficient number, since it is larger than the sum of its proper divisors (124912514).

133103230 is a wasteful number, since it uses less digits than its factorization.

133103230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023891.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 133103230 is about 11537.0373146662. The cubic root of 133103230 is about 510.5789017830.

Adding to 133103230 its reverse (32301331), we get a palindrome (165404561).

The spelling of 133103230 in words is "one hundred thirty-three million, one hundred three thousand, two hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 1023871 2047742 5119355 10238710 13310323 26620646 66551615 133103230