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10720346 = 2713223197
BaseRepresentation
bin101000111001…
…010001011010
3202011122112212
4220321101122
510221022341
61021435122
7160056440
oct50712132
922148485
1010720346
11606239a
12370baa2
1322b4700
1415d0b90
15e1b5eb
hexa3945a

10720346 has 48 divisors (see below), whose sum is σ = 20870784. Its totient is φ = 4036032.

The previous prime is 10720337. The next prime is 10720357. The reversal of 10720346 is 64302701.

It is a super-2 number, since 2×107203462 = 229851636719432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54320 + ... + 54516.

It is an arithmetic number, because the mean of its divisors is an integer number (434808).

Almost surely, 210720346 is an apocalyptic number.

10720346 is a deficient number, since it is larger than the sum of its proper divisors (10150438).

10720346 is a wasteful number, since it uses less digits than its factorization.

10720346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 242 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 10720346 is about 3274.1939466073. The cubic root of 10720346 is about 220.4971265028.

The spelling of 10720346 in words is "ten million, seven hundred twenty thousand, three hundred forty-six".

Divisors: 1 2 7 13 14 23 26 46 91 161 169 182 197 299 322 338 394 598 1183 1379 2093 2366 2561 2758 3887 4186 4531 5122 7774 9062 17927 27209 31717 33293 35854 54418 58903 63434 66586 117806 233051 412321 466102 765739 824642 1531478 5360173 10720346