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70967070 = 2335673923
BaseRepresentation
bin1000011101011…
…01111100011110
311221112111112000
410032231330132
5121131421240
611013023130
71521132036
oct416557436
9157474460
1070967070
1137071679
121b924aa6
1311919a65
1495d48c6
15636c430
hex43adf1e

70967070 has 64 divisors (see below), whose sum is σ = 192119040. Its totient is φ = 18637344.

The previous prime is 70967069. The next prime is 70967081. The reversal of 70967070 is 7076907.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16129 + ... + 20051.

It is an arithmetic number, because the mean of its divisors is an integer number (3001860).

Almost surely, 270967070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70967070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96059520).

70967070 is an abundant number, since it is smaller than the sum of its proper divisors (121151970).

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

70967070 is a wasteful number, since it uses less digits than its factorization.

70967070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4006 (or 4000 counting only the distinct ones).

The product of its (nonzero) digits is 18522, while the sum is 36.

The square root of 70967070 is about 8424.1955105517. The cubic root of 70967070 is about 414.0177476114.

The spelling of 70967070 in words is "seventy million, nine hundred sixty-seven thousand, seventy".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 67 90 134 135 201 270 335 402 603 670 1005 1206 1809 2010 3015 3618 3923 6030 7846 9045 11769 18090 19615 23538 35307 39230 58845 70614 105921 117690 176535 211842 262841 353070 525682 529605 788523 1059210 1314205 1577046 2365569 2628410 3942615 4731138 7096707 7885230 11827845 14193414 23655690 35483535 70967070