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40706701 = 721974217
BaseRepresentation
bin1001101101001…
…0001010001101
32211121010002121
42123102022031
540410103301
64012252541
71003000300
oct233221215
984533077
1040706701
1120a83602
1211771151
138583409
145598b37
1538913a1
hex26d228d

40706701 has 12 divisors (see below), whose sum is σ = 47604348. Its totient is φ = 34706112.

The previous prime is 40706693. The next prime is 40706707. The reversal of 40706701 is 10760704.

It can be written as a sum of positive squares in 2 ways, for example, as 38378025 + 2328676 = 6195^2 + 1526^2 .

It is not a de Polignac number, because 40706701 - 23 = 40706693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40706707) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7545 + ... + 11761.

It is an arithmetic number, because the mean of its divisors is an integer number (3967029).

Almost surely, 240706701 is an apocalyptic number.

It is an amenable number.

40706701 is a deficient number, since it is larger than the sum of its proper divisors (6897647).

40706701 is a wasteful number, since it uses less digits than its factorization.

40706701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4428 (or 4421 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 40706701 is about 6380.1803266052. The cubic root of 40706701 is about 343.9975127141.

The spelling of 40706701 in words is "forty million, seven hundred six thousand, seven hundred one".

Divisors: 1 7 49 197 1379 4217 9653 29519 206633 830749 5815243 40706701