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142182880 = 2557126949
BaseRepresentation
bin10000111100110…
…00100111100000
3100220112122020121
420132120213200
5242344323010
622035250024
73344351230
oct1036304740
9326478217
10142182880
1173293114
123b749914
13235c2aa8
1414c51cc0
15c7383da
hex87989e0

142182880 has 48 divisors (see below), whose sum is σ = 383896800. Its totient is φ = 48748032.

The previous prime is 142182877. The next prime is 142182893. The reversal of 142182880 is 88281241.

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, 62355 + ... + 64594.

It is an arithmetic number, because the mean of its divisors is an integer number (7997850).

Almost surely, 2142182880 is an apocalyptic number.

142182880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142182880 is an abundant number, since it is smaller than the sum of its proper divisors (241713920).

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

142182880 is a wasteful number, since it uses less digits than its factorization.

142182880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126971 (or 126963 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 34.

The square root of 142182880 is about 11924.0462931003. The cubic root of 142182880 is about 521.9342165944.

The spelling of 142182880 in words is "one hundred forty-two million, one hundred eighty-two thousand, eight hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 1120 126949 253898 507796 634745 888643 1015592 1269490 1777286 2031184 2538980 3554572 4062368 4443215 5077960 7109144 8886430 10155920 14218288 17772860 20311840 28436576 35545720 71091440 142182880