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612508434 = 231937145213
BaseRepresentation
bin100100100000100…
…010001100010010
31120200112122121120
4210200202030102
52223300232214
6140440103110
721115143606
oct4440421422
91520478546
10612508434
1129482171a
12151164a96
1399b88135
145b4c1506
1538b8dea9
hex24822312

612508434 has 32 divisors (see below), whose sum is σ = 1324351680. Its totient is φ = 188194752.

The previous prime is 612508411. The next prime is 612508451. The reversal of 612508434 is 434805216.

It is a super-2 number, since 2×6125084342 = 750333163442264712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 612508395 and 612508404.

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, 68389 + ... + 76824.

It is an arithmetic number, because the mean of its divisors is an integer number (41385990).

Almost surely, 2612508434 is an apocalyptic number.

612508434 is an abundant number, since it is smaller than the sum of its proper divisors (711843246).

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

612508434 is a wasteful number, since it uses less digits than its factorization.

612508434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145274.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 612508434 is about 24748.9077334738. The cubic root of 612508434 is about 849.2535241010.

The spelling of 612508434 in words is "six hundred twelve million, five hundred eight thousand, four hundred thirty-four".

Divisors: 1 2 3 6 19 37 38 57 74 111 114 222 703 1406 2109 4218 145213 290426 435639 871278 2759047 5372881 5518094 8277141 10745762 16118643 16554282 32237286 102084739 204169478 306254217 612508434