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70075750 = 253280303
BaseRepresentation
bin1000010110101…
…00010101100110
311212212012212011
410023110111212
5120414411000
610541544434
71510430323
oct413242546
9155765764
1070075750
1136612a48
121b57511a
1311697154
149441b4a
1562432ba
hex42d4566

70075750 has 16 divisors (see below), whose sum is σ = 131182272. Its totient is φ = 28030200.

The previous prime is 70075729. The next prime is 70075771. The reversal of 70075750 is 5757007.

It is an interprime number because it is at equal distance from previous prime (70075729) and next prime (70075771).

It is a super-2 number, since 2×700757502 = 9821221476125000, which contains 22 as substring.

It is a congruent 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, 139902 + ... + 140401.

It is an arithmetic number, because the mean of its divisors is an integer number (8198892).

Almost surely, 270075750 is an apocalyptic number.

70075750 is a deficient number, since it is larger than the sum of its proper divisors (61106522).

70075750 is a wasteful number, since it uses less digits than its factorization.

70075750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280320 (or 280310 counting only the distinct ones).

The product of its (nonzero) digits is 8575, while the sum is 31.

The square root of 70075750 is about 8371.1259696650. The cubic root of 70075750 is about 412.2771370374.

The spelling of 70075750 in words is "seventy million, seventy-five thousand, seven hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 280303 560606 1401515 2803030 7007575 14015150 35037875 70075750