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40206970 = 2523916823
BaseRepresentation
bin1001100101100…
…0001001111010
32210122201121001
42121120021322
540243110340
63553435214
7665516326
oct231301172
983581531
1040206970
1120772101
121156bb0a
138439b0b
1454a8986
1537e329a
hex265827a

40206970 has 16 divisors (see below), whose sum is σ = 72679680. Its totient is φ = 16014544.

The previous prime is 40206961. The next prime is 40206979. The reversal of 40206970 is 7960204.

It is an interprime number because it is at equal distance from previous prime (40206961) and next prime (40206979).

It is not an unprimeable number, because it can be changed into a prime (40206979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6022 + ... + 10801.

It is an arithmetic number, because the mean of its divisors is an integer number (4542480).

Almost surely, 240206970 is an apocalyptic number.

40206970 is a deficient number, since it is larger than the sum of its proper divisors (32472710).

40206970 is a wasteful number, since it uses less digits than its factorization.

40206970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17069.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 40206970 is about 6340.8966242953. The cubic root of 40206970 is about 342.5840310981.

The spelling of 40206970 in words is "forty million, two hundred six thousand, nine hundred seventy".

Divisors: 1 2 5 10 239 478 1195 2390 16823 33646 84115 168230 4020697 8041394 20103485 40206970