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351307968 = 26311181919
BaseRepresentation
bin10100111100001…
…000100011000000
3220111001021221020
4110330020203000
51204413323333
654505425440
711464032324
oct2474104300
9814037836
10351307968
11170338970
129979b280
1357a2364b
143492b984
1520c963b3
hex14f088c0

351307968 has 112 divisors (see below), whose sum is σ = 1020714240. Its totient is φ = 105753600.

The previous prime is 351307961. The next prime is 351307987. The reversal of 351307968 is 869703153.

351307968 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (351307961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 381813 + ... + 382731.

It is an arithmetic number, because the mean of its divisors is an integer number (9113520).

Almost surely, 2351307968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 351307968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (510357120).

351307968 is an abundant number, since it is smaller than the sum of its proper divisors (669406272).

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

351307968 is a wasteful number, since it uses less digits than its factorization.

351307968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126 (or 1116 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 351307968 is about 18743.2112510103. The cubic root of 351307968 is about 705.6066525152.

The spelling of 351307968 in words is "three hundred fifty-one million, three hundred seven thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 132 176 181 192 264 352 362 528 543 704 724 919 1056 1086 1448 1838 1991 2112 2172 2757 2896 3676 3982 4344 5514 5792 5973 7352 7964 8688 10109 11028 11584 11946 14704 15928 17376 20218 22056 23892 29408 30327 31856 34752 40436 44112 47784 58816 60654 63712 80872 88224 95568 121308 127424 161744 166339 176448 191136 242616 323488 332678 382272 485232 499017 646976 665356 970464 998034 1330712 1829729 1940928 1996068 2661424 3659458 3992136 5322848 5489187 7318916 7984272 10645696 10978374 14637832 15968544 21956748 29275664 31937088 43913496 58551328 87826992 117102656 175653984 351307968