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137142210 = 2354571407
BaseRepresentation
bin10000010110010…
…01111111000010
3100120001112202010
420023021333002
5240102022320
621335233350
73253455342
oct1013117702
9316045663
10137142210
117045aa77
1239b18856
132254964a
14142dcd22
15c08eae0
hex82c9fc2

137142210 has 16 divisors (see below), whose sum is σ = 329141376. Its totient is φ = 36571248.

The previous prime is 137142191. The next prime is 137142223. The reversal of 137142210 is 12241731.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2285674 + ... + 2285733.

It is an arithmetic number, because the mean of its divisors is an integer number (20571336).

Almost surely, 2137142210 is an apocalyptic number.

137142210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137142210 is an abundant number, since it is smaller than the sum of its proper divisors (191999166).

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

137142210 is a wasteful number, since it uses less digits than its factorization.

137142210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4571417.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 137142210 is about 11710.7732451790. The cubic root of 137142210 is about 515.6919846127.

Adding to 137142210 its reverse (12241731), we get a palindrome (149383941).

The spelling of 137142210 in words is "one hundred thirty-seven million, one hundred forty-two thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 4571407 9142814 13714221 22857035 27428442 45714070 68571105 137142210