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72041214 = 2376725601
BaseRepresentation
bin1000100101101…
…00001011111110
312000120001222010
410102310023332
5121420304324
611052032050
71533224460
oct422641376
9160501863
1072041214
11377356a3
1220162626
1311c0494b
1497d4130
1564d0829
hex44b42fe

72041214 has 32 divisors (see below), whose sum is σ = 167129856. Its totient is φ = 20275200.

The previous prime is 72041213. The next prime is 72041227. The reversal of 72041214 is 41214027.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72041213) 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, 9987 + ... + 15614.

It is an arithmetic number, because the mean of its divisors is an integer number (5222808).

Almost surely, 272041214 is an apocalyptic number.

72041214 is an abundant number, since it is smaller than the sum of its proper divisors (95088642).

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

72041214 is a wasteful number, since it uses less digits than its factorization.

72041214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25680.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 72041214 is about 8487.7095850412. The cubic root of 72041214 is about 416.0961277793.

The spelling of 72041214 in words is "seventy-two million, forty-one thousand, two hundred fourteen".

Divisors: 1 2 3 6 7 14 21 42 67 134 201 402 469 938 1407 2814 25601 51202 76803 153606 179207 358414 537621 1075242 1715267 3430534 5145801 10291602 12006869 24013738 36020607 72041214