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142417436 = 22741131947
BaseRepresentation
bin10000111110100…
…01111000011100
3100220222112222212
420133101320130
5242424324221
622044255552
73346346120
oct1037217034
9326875885
10142417436
1173433367
123b8415b8
1323675795
1414cb3580
15c782b5b
hex87d1e1c

142417436 has 48 divisors (see below), whose sum is σ = 294319872. Its totient is φ = 59030400.

The previous prime is 142417423. The next prime is 142417453. The reversal of 142417436 is 634714241.

142417436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 149915 + ... + 150861.

It is an arithmetic number, because the mean of its divisors is an integer number (6131664).

Almost surely, 2142417436 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 142417436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147159936).

142417436 is an abundant number, since it is smaller than the sum of its proper divisors (151902436).

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

142417436 is a wasteful number, since it uses less digits than its factorization.

142417436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130 (or 1128 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 142417436 is about 11933.8776598388. The cubic root of 142417436 is about 522.2210667513.

The spelling of 142417436 in words is "one hundred forty-two million, four hundred seventeen thousand, four hundred thirty-six".

Divisors: 1 2 4 7 14 28 41 82 131 164 262 287 524 574 917 947 1148 1834 1894 3668 3788 5371 6629 10742 13258 21484 26516 37597 38827 75194 77654 124057 150388 155308 248114 271789 496228 543578 868399 1087156 1736798 3473596 5086337 10172674 20345348 35604359 71208718 142417436