Search a number
-
+
142136372 = 227113167269
BaseRepresentation
bin10000111100011…
…01010000110100
3100220110021110002
420132031100310
5242341330442
622034250432
73344065520
oct1036152064
9326407402
10142136372
1173261184
123b726a18
13235a7881
1414c3cd80
15c729732
hex878d434

142136372 has 48 divisors (see below), whose sum is σ = 289578240. Its totient is φ = 59791872.

The previous prime is 142136317. The next prime is 142136377. The reversal of 142136372 is 273631241.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142136377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 528254 + ... + 528522.

It is an arithmetic number, because the mean of its divisors is an integer number (6032880).

Almost surely, 2142136372 is an apocalyptic number.

It is an amenable number.

142136372 is an abundant number, since it is smaller than the sum of its proper divisors (147441868).

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

142136372 is a wasteful number, since it uses less digits than its factorization.

142136372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560 (or 558 counting only the distinct ones).

The product of its digits is 6048, while the sum is 29.

The square root of 142136372 is about 11922.0959566680. The cubic root of 142136372 is about 521.8773021855.

The spelling of 142136372 in words is "one hundred forty-two million, one hundred thirty-six thousand, three hundred seventy-two".

Divisors: 1 2 4 7 14 28 113 167 226 269 334 452 538 668 791 1076 1169 1582 1883 2338 3164 3766 4676 7532 18871 30397 37742 44923 60794 75484 89846 121588 132097 179692 212779 264194 314461 425558 528388 628922 851116 1257844 5076299 10152598 20305196 35534093 71068186 142136372