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342241440 = 25351913733
BaseRepresentation
bin10100011001100…
…011000010100000
3212211222122222220
4110121203002200
51200103211230
653543231040
711324001312
oct2431430240
9784878886
10342241440
11166206072
1296748480
1355b9a938
143364b7b2
15200a4d10
hex146630a0

342241440 has 96 divisors (see below), whose sum is σ = 1083995136. Its totient is φ = 90762240.

The previous prime is 342241423. The next prime is 342241577. The reversal of 342241440 is 44142243.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 342241440.

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, 89814 + ... + 93546.

It is an arithmetic number, because the mean of its divisors is an integer number (11291616).

Almost surely, 2342241440 is an apocalyptic number.

342241440 is a gapful number since it is divisible by the number (30) 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 342241440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (541997568).

342241440 is an abundant number, since it is smaller than the sum of its proper divisors (741753696).

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

342241440 is a wasteful number, since it uses less digits than its factorization.

342241440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3942 (or 3934 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 342241440 is about 18499.7686472021. The cubic root of 342241440 is about 699.4835919152.

Adding to 342241440 its reverse (44142243), we get a palindrome (386383683).

The spelling of 342241440 in words is "three hundred forty-two million, two hundred forty-one thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 191 240 382 480 573 764 955 1146 1528 1910 2292 2865 3056 3733 3820 4584 5730 6112 7466 7640 9168 11199 11460 14932 15280 18336 18665 22398 22920 29864 30560 37330 44796 45840 55995 59728 74660 89592 91680 111990 119456 149320 179184 223980 298640 358368 447960 597280 713003 895920 1426006 1791840 2139009 2852012 3565015 4278018 5704024 7130030 8556036 10695045 11408048 14260060 17112072 21390090 22816096 28520120 34224144 42780180 57040240 68448288 85560360 114080480 171120720 342241440