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61332472 = 237666559
BaseRepresentation
bin1110100111110…
…1101111111000
311021102000100001
43221331233320
5111200114342
610030322344
71343213605
oct351755770
9137360301
1061332472
1131690aa3
12186593b4
13c925606
1482076ac
1555b78b7
hex3a7dbf8

61332472 has 8 divisors (see below), whose sum is σ = 114998400. Its totient is φ = 30666232.

The previous prime is 61332461. The next prime is 61332473. The reversal of 61332472 is 27423316.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 61332472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61332473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3833272 + ... + 3833287.

It is an arithmetic number, because the mean of its divisors is an integer number (14374800).

Almost surely, 261332472 is an apocalyptic number.

It is an amenable number.

61332472 is a deficient number, since it is larger than the sum of its proper divisors (53665928).

61332472 is a wasteful number, since it uses less digits than its factorization.

61332472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7666565 (or 7666561 counting only the distinct ones).

The product of its digits is 6048, while the sum is 28.

The square root of 61332472 is about 7831.5050916155. The cubic root of 61332472 is about 394.3636005505.

Adding to 61332472 its reverse (27423316), we get a palindrome (88755788).

The spelling of 61332472 in words is "sixty-one million, three hundred thirty-two thousand, four hundred seventy-two".

Divisors: 1 2 4 8 7666559 15333118 30666236 61332472