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344750427 = 32722341829
BaseRepresentation
bin10100100011000…
…111100101011011
3220000201010200100
4110203013211123
51201224003202
654113110443
711354221200
oct2443074533
9800633610
10344750427
1116766a10a
1297558423
1356568948
1433b01ca7
15203ed41c
hex148c795b

344750427 has 72 divisors (see below), whose sum is σ = 619950240. Its totient is φ = 183617280.

The previous prime is 344750401. The next prime is 344750431. The reversal of 344750427 is 724057443.

It is not a de Polignac number, because 344750427 - 26 = 344750363 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 344750391 and 344750400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344750447) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 415449 + ... + 416277.

It is an arithmetic number, because the mean of its divisors is an integer number (8610420).

Almost surely, 2344750427 is an apocalyptic number.

344750427 is a deficient number, since it is larger than the sum of its proper divisors (275199813).

344750427 is a wasteful number, since it uses less digits than its factorization.

344750427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913 (or 903 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 36.

The square root of 344750427 is about 18567.4561262441. The cubic root of 344750427 is about 701.1887467826.

The spelling of 344750427 in words is "three hundred forty-four million, seven hundred fifty thousand, four hundred twenty-seven".

Divisors: 1 3 7 9 21 23 41 49 63 69 123 147 161 207 287 369 441 483 829 861 943 1127 1449 2009 2487 2583 2829 3381 5803 6027 6601 7461 8487 10143 17409 18081 19067 19803 33989 40621 46207 52227 57201 59409 101967 121863 133469 138621 171603 237923 305901 365589 400407 415863 713769 781747 934283 1201221 1665461 2141307 2345241 2802849 4996383 5472229 7035723 8408547 14989149 16416687 38305603 49250061 114916809 344750427