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10028739 = 373712907
BaseRepresentation
bin100110010000…
…011011000011
3200212111211210
4212100123003
510031404424
6554541203
7151146210
oct46203303
920774753
1010028739
11572a816
123437803
132101986
141490b07
15d31729
hex9906c3

10028739 has 16 divisors (see below), whose sum is σ = 15696128. Its totient is φ = 5575392.

The previous prime is 10028737. The next prime is 10028747. The reversal of 10028739 is 93782001.

It is a happy number.

It is not a de Polignac number, because 10028739 - 21 = 10028737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10028737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5677 + ... + 7230.

It is an arithmetic number, because the mean of its divisors is an integer number (981008).

Almost surely, 210028739 is an apocalyptic number.

10028739 is a deficient number, since it is larger than the sum of its proper divisors (5667389).

10028739 is a wasteful number, since it uses less digits than its factorization.

10028739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12954.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 10028739 is about 3166.8184349596. The cubic root of 10028739 is about 215.6496592676.

It can be divided in two parts, 100287 and 39, that multiplied together give a palindrome (3911193).

The spelling of 10028739 in words is "ten million, twenty-eight thousand, seven hundred thirty-nine".

Divisors: 1 3 7 21 37 111 259 777 12907 38721 90349 271047 477559 1432677 3342913 10028739