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142970300 = 225211235651
BaseRepresentation
bin10001000010110…
…00110110111100
3100222000122101022
420201120312330
5243100022200
622104203312
73354141014
oct1041306674
9328018338
10142970300
1173780780
123ba69538
132380a315
1414db8c44
15c841885
hex8858dbc

142970300 has 72 divisors (see below), whose sum is σ = 353227392. Its totient is φ = 49720000.

The previous prime is 142970291. The next prime is 142970327. The reversal of 142970300 is 3079241.

It is a self number, because there is not a number n which added to its sum of digits gives 142970300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22475 + ... + 28125.

It is an arithmetic number, because the mean of its divisors is an integer number (4905936).

Almost surely, 2142970300 is an apocalyptic number.

142970300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142970300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176613696).

142970300 is an abundant number, since it is smaller than the sum of its proper divisors (210257092).

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

142970300 is a wasteful number, since it uses less digits than its factorization.

142970300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5699 (or 5692 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 142970300 is about 11957.0188592308. The cubic root of 142970300 is about 522.8959476737.

The spelling of 142970300 in words is "one hundred forty-two million, nine hundred seventy thousand, three hundred".

Divisors: 1 2 4 5 10 11 20 22 23 25 44 46 50 55 92 100 110 115 220 230 253 275 460 506 550 575 1012 1100 1150 1265 2300 2530 5060 5651 6325 11302 12650 22604 25300 28255 56510 62161 113020 124322 129973 141275 248644 259946 282550 310805 519892 565100 621610 649865 1243220 1299730 1429703 1554025 2599460 2859406 3108050 3249325 5718812 6216100 6498650 7148515 12997300 14297030 28594060 35742575 71485150 142970300