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342020130 = 23553251857
BaseRepresentation
bin10100011000101…
…101000000100010
3212211120102102020
4110120231000202
51200024121010
653534402310
711322060144
oct2430550042
9784512366
10342020130
11166074871
1296660396
1355b20c9a
14335d0c94
152005e470
hex1462d022

342020130 has 64 divisors (see below), whose sum is σ = 840647808. Its totient is φ = 89024000.

The previous prime is 342020123. The next prime is 342020131. The reversal of 342020130 is 31020243.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (342020131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 398662 + ... + 399518.

It is an arithmetic number, because the mean of its divisors is an integer number (13135122).

Almost surely, 2342020130 is an apocalyptic number.

342020130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 342020130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (420323904).

342020130 is an abundant number, since it is smaller than the sum of its proper divisors (498627678).

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

342020130 is a wasteful number, since it uses less digits than its factorization.

342020130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 342020130 is about 18493.7862537664. The cubic root of 342020130 is about 699.3327860072.

Adding to 342020130 its reverse (31020243), we get a palindrome (373040373).

The spelling of 342020130 in words is "three hundred forty-two million, twenty thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 53 106 159 251 265 318 502 530 753 795 857 1255 1506 1590 1714 2510 2571 3765 4285 5142 7530 8570 12855 13303 25710 26606 39909 45421 66515 79818 90842 133030 136263 199545 215107 227105 272526 399090 430214 454210 645321 681315 1075535 1290642 1362630 2151070 3226605 6453210 11400671 22801342 34202013 57003355 68404026 114006710 171010065 342020130