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342033780 = 223511518233
BaseRepresentation
bin10100011000110…
…000010101110100
3212211121010010210
4110120300111310
51200030040110
653534545420
711322145014
oct2430602564
9784533123
10342033780
11166084050
1296668270
1355b2726a
14335d5c44
1520063520
hex14630574

342033780 has 48 divisors (see below), whose sum is σ = 1044759744. Its totient is φ = 82917120.

The previous prime is 342033749. The next prime is 342033781. The reversal of 342033780 is 87330243.

It is a super-2 number, since 2×3420337802 = 233974213322176800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342033781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258457 + ... + 259776.

It is an arithmetic number, because the mean of its divisors is an integer number (21765828).

Almost surely, 2342033780 is an apocalyptic number.

342033780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

342033780 is an abundant number, since it is smaller than the sum of its proper divisors (702725964).

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

342033780 is a wasteful number, since it uses less digits than its factorization.

342033780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518256 (or 518254 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 342033780 is about 18494.1552929567. The cubic root of 342033780 is about 699.3420893246.

It can be divided in two parts, 3420 and 33780, that multiplied together give a triangular number (115527600 = T15200).

The spelling of 342033780 in words is "three hundred forty-two million, thirty-three thousand, seven hundred eighty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 518233 1036466 1554699 2072932 2591165 3109398 5182330 5700563 6218796 7773495 10364660 11401126 15546990 17101689 22802252 28502815 31093980 34203378 57005630 68406756 85508445 114011260 171016890 342033780