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142553270 = 25293791297
BaseRepresentation
bin10000111111100…
…11000010110110
3100221020110022202
420133303002312
5242443201040
622051224502
73350453126
oct1037630266
9327213282
10142553270
1173516422
123b8a8132
13236c2562
1414d0ac86
15c7ad015
hex87f30b6

142553270 has 32 divisors (see below), whose sum is σ = 266349600. Its totient is φ = 54867456.

The previous prime is 142553261. The next prime is 142553293. The reversal of 142553270 is 72355241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

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, 109262 + ... + 110558.

It is an arithmetic number, because the mean of its divisors is an integer number (8323425).

Almost surely, 2142553270 is an apocalyptic number.

142553270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142553270 is a deficient number, since it is larger than the sum of its proper divisors (123796330).

142553270 is a wasteful number, since it uses less digits than its factorization.

142553270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 142553270 is about 11939.5674125992. The cubic root of 142553270 is about 522.3870408956.

The spelling of 142553270 in words is "one hundred forty-two million, five hundred fifty-three thousand, two hundred seventy".

Divisors: 1 2 5 10 29 58 145 290 379 758 1297 1895 2594 3790 6485 10991 12970 21982 37613 54955 75226 109910 188065 376130 491563 983126 2457815 4915630 14255327 28510654 71276635 142553270