Search a number
-
+
142070528 = 283753283
BaseRepresentation
bin10000111011111…
…01001100000000
3100220022221010102
420131331030000
5242332224103
622033021532
73343402535
oct1035751400
9326287112
10142070528
1173216766
123b6b48a8
1323583902
1414c22d8c
15c714e88
hex877d300

142070528 has 72 divisors (see below), whose sum is σ = 297794448. Its totient is φ = 67571712.

The previous prime is 142070459. The next prime is 142070531. The reversal of 142070528 is 825070241.

It is a self number, because there is not a number n which added to its sum of digits gives 142070528.

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, 501875 + ... + 502157.

It is an arithmetic number, because the mean of its divisors is an integer number (4136034).

Almost surely, 2142070528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142070528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148897224).

142070528 is an abundant number, since it is smaller than the sum of its proper divisors (155723920).

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

142070528 is an equidigital number, since it uses as much as digits as its factorization.

142070528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 142070528 is about 11919.3342095941. The cubic root of 142070528 is about 521.7967040105.

The spelling of 142070528 in words is "one hundred forty-two million, seventy thousand, five hundred twenty-eight".

Divisors: 1 2 4 8 16 32 37 53 64 74 106 128 148 212 256 283 296 424 566 592 848 1132 1184 1696 1961 2264 2368 3392 3922 4528 4736 6784 7844 9056 9472 10471 13568 14999 15688 18112 20942 29998 31376 36224 41884 59996 62752 72448 83768 119992 125504 167536 239984 251008 335072 479968 502016 554963 670144 959936 1109926 1340288 1919872 2219852 2680576 3839744 4439704 8879408 17758816 35517632 71035264 142070528