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70012000 = 255323761
BaseRepresentation
bin1000010110001…
…00110001100000
311212201222102001
410023010301200
5120410341000
610540333344
71510043422
oct413046140
9155658361
1070012000
113657a063
121b544254
1311674126
149426812
15622e46a
hex42c4c60

70012000 has 96 divisors (see below), whose sum is σ = 179734464. Its totient is φ = 26752000.

The previous prime is 70011983. The next prime is 70012039. The reversal of 70012000 is 21007.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91620 + ... + 92380.

It is an arithmetic number, because the mean of its divisors is an integer number (1872234).

Almost surely, 270012000 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 70012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89867232).

70012000 is an abundant number, since it is smaller than the sum of its proper divisors (109722464).

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

70012000 is a wasteful number, since it uses less digits than its factorization.

70012000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809 (or 791 counting only the distinct ones).

The product of its (nonzero) digits is 14, while the sum is 10.

The square root of 70012000 is about 8367.3173717745. The cubic root of 70012000 is about 412.1520788370.

Adding to 70012000 its reverse (21007), we get a palindrome (70033007).

The spelling of 70012000 in words is "seventy million, twelve thousand".

Divisors: 1 2 4 5 8 10 16 20 23 25 32 40 46 50 80 92 100 115 125 160 184 200 230 250 368 400 460 500 575 736 761 800 920 1000 1150 1522 1840 2000 2300 2875 3044 3680 3805 4000 4600 5750 6088 7610 9200 11500 12176 15220 17503 18400 19025 23000 24352 30440 35006 38050 46000 60880 70012 76100 87515 92000 95125 121760 140024 152200 175030 190250 280048 304400 350060 380500 437575 560096 608800 700120 761000 875150 1400240 1522000 1750300 2187875 2800480 3044000 3500600 4375750 7001200 8751500 14002400 17503000 35006000 70012000