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61889352 = 2337252627
BaseRepresentation
bin1110110000010…
…1101101001000
311022110022020020
43230011231020
5111320424402
610050300440
71351023300
oct354055510
9138408206
1061889352
1131a31428
1218887720
13ca8bc25
148310600
1556778bc
hex3b05b48

61889352 has 48 divisors (see below), whose sum is σ = 179987760. Its totient is φ = 17682336.

The previous prime is 61889293. The next prime is 61889357. The reversal of 61889352 is 25398816.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (61889357) 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, 25138 + ... + 27489.

It is an arithmetic number, because the mean of its divisors is an integer number (3749745).

Almost surely, 261889352 is an apocalyptic number.

It is an amenable number.

61889352 is an abundant number, since it is smaller than the sum of its proper divisors (118098408).

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

61889352 is a wasteful number, since it uses less digits than its factorization.

61889352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52650 (or 52639 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 61889352 is about 7866.9785813869. The cubic root of 61889352 is about 395.5535730284.

The spelling of 61889352 in words is "sixty-one million, eight hundred eighty-nine thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 49 56 84 98 147 168 196 294 392 588 1176 52627 105254 157881 210508 315762 368389 421016 631524 736778 1105167 1263048 1473556 2210334 2578723 2947112 4420668 5157446 7736169 8841336 10314892 15472338 20629784 30944676 61889352