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342973971 = 3253839857
BaseRepresentation
bin10100011100010…
…101111000010011
3212220100212211200
4110130111320103
51200300131341
654011042243
711333142054
oct2434257023
9786325750
10342973971
1116666646a
1296a40383
13560961a2
143379c72b
152019bdb6
hex14715e13

342973971 has 24 divisors (see below), whose sum is σ = 505945440. Its totient is φ = 223806336.

The previous prime is 342973957. The next prime is 342973973. The reversal of 342973971 is 179379243.

It is not a de Polignac number, because 342973971 - 222 = 338779667 is a prime.

It is a super-2 number, since 2×3429739712 = 235262289567017682, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (342973973) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 399775 + ... + 400631.

It is an arithmetic number, because the mean of its divisors is an integer number (21081060).

Almost surely, 2342973971 is an apocalyptic number.

342973971 is a deficient number, since it is larger than the sum of its proper divisors (162971469).

342973971 is a wasteful number, since it uses less digits than its factorization.

342973971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755 (or 1752 counting only the distinct ones).

The product of its digits is 285768, while the sum is 45.

The square root of 342973971 is about 18519.5564471723. The cubic root of 342973971 is about 699.9822927494.

The spelling of 342973971 in words is "three hundred forty-two million, nine hundred seventy-three thousand, nine hundred seventy-one".

Divisors: 1 3 9 53 159 477 839 857 2517 2571 7551 7713 44467 45421 133401 136263 400203 408789 719023 2157069 6471207 38108219 114324657 342973971