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342607839 = 37233312143
BaseRepresentation
bin10100011010111…
…100011111011111
3212212200021121020
4110122330133133
51200201422324
653555135223
711330055450
oct2432743737
9785607536
10342607839
11166436382
12968a4513
1355c98642
1433705127
1520128679
hex146bc7df

342607839 has 32 divisors (see below), whose sum is σ = 546668544. Its totient is φ = 186611040.

The previous prime is 342607801. The next prime is 342607843. The reversal of 342607839 is 938706243.

It is not a de Polignac number, because 342607839 - 219 = 342083551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 342607839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342607039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158802 + ... + 160944.

It is an arithmetic number, because the mean of its divisors is an integer number (17083392).

Almost surely, 2342607839 is an apocalyptic number.

342607839 is a deficient number, since it is larger than the sum of its proper divisors (204060705).

342607839 is a wasteful number, since it uses less digits than its factorization.

342607839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2507.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 342607839 is about 18509.6687976852. The cubic root of 342607839 is about 699.7331220741.

The spelling of 342607839 in words is "three hundred forty-two million, six hundred seven thousand, eight hundred thirty-nine".

Divisors: 1 3 7 21 23 69 161 331 483 993 2143 2317 6429 6951 7613 15001 22839 45003 49289 53291 147867 159873 345023 709333 1035069 2127999 4965331 14895993 16314659 48943977 114202613 342607839