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70334240 = 2554310223
BaseRepresentation
bin1000011000100…
…11011100100000
311220100100102212
410030103130200
5121001143430
610551301252
71512555044
oct414233440
9156310385
1070334240
113677a179
121b67a828
13117579c2
1494ac024
156294b95
hex4313720

70334240 has 48 divisors (see below), whose sum is σ = 170045568. Its totient is φ = 27476736.

The previous prime is 70334239. The next prime is 70334261. The reversal of 70334240 is 4243307.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1769 + ... + 11991.

It is an arithmetic number, because the mean of its divisors is an integer number (3542616).

Almost surely, 270334240 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 70334240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85022784).

70334240 is an abundant number, since it is smaller than the sum of its proper divisors (99711328).

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

70334240 is a wasteful number, since it uses less digits than its factorization.

70334240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10281 (or 10273 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 70334240 is about 8386.5511385790. The cubic root of 70334240 is about 412.7834403348.

Adding to 70334240 its reverse (4243307), we get a palindrome (74577547).

It can be divided in two parts, 703 and 34240, that added together give a palindrome (34943).

The spelling of 70334240 in words is "seventy million, three hundred thirty-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 43 80 86 160 172 215 344 430 688 860 1376 1720 3440 6880 10223 20446 40892 51115 81784 102230 163568 204460 327136 408920 439589 817840 879178 1635680 1758356 2197945 3516712 4395890 7033424 8791780 14066848 17583560 35167120 70334240