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142377400 = 23521164717
BaseRepresentation
bin10000111110010…
…00000110111000
3100220220112002001
420133020012320
5242422034100
622043350344
73346121314
oct1037100670
9326815061
10142377400
1173406280
123b8223b4
13236604a9
1414ca2b44
15c775d6a
hex87c81b8

142377400 has 48 divisors (see below), whose sum is σ = 361126440. Its totient is φ = 51772800.

The previous prime is 142377371. The next prime is 142377409. The reversal of 142377400 is 4773241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142377409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30159 + ... + 34558.

Almost surely, 2142377400 is an apocalyptic number.

142377400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142377400 is an abundant number, since it is smaller than the sum of its proper divisors (218749040).

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

142377400 is a wasteful number, since it uses less digits than its factorization.

142377400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64744 (or 64735 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 142377400 is about 11932.2001324148. The cubic root of 142377400 is about 522.1721270459.

The spelling of 142377400 in words is "one hundred forty-two million, three hundred seventy-seven thousand, four hundred".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 200 220 275 440 550 1100 2200 64717 129434 258868 323585 517736 647170 711887 1294340 1423774 1617925 2588680 2847548 3235850 3559435 5695096 6471700 7118870 12943400 14237740 17797175 28475480 35594350 71188700 142377400