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61001208 = 2333282413
BaseRepresentation
bin1110100010110…
…0110111111000
311020210011221000
43220230313320
5111104014313
610015245000
71340334042
oct350546770
9136704830
1061001208
1131485124
1218519760
13c83a8b8
14815ca92
15554e673
hex3a2cdf8

61001208 has 32 divisors (see below), whose sum is σ = 169448400. Its totient is φ = 20333664.

The previous prime is 61001203. The next prime is 61001233. The reversal of 61001208 is 80210016.

It is a super-2 number, since 2×610012082 = 7442294754918528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61001203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140991 + ... + 141422.

Almost surely, 261001208 is an apocalyptic number.

It is an amenable number.

61001208 is an abundant number, since it is smaller than the sum of its proper divisors (108447192).

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

61001208 is a wasteful number, since it uses less digits than its factorization.

61001208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282428 (or 282418 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 61001208 is about 7810.3270097993. The cubic root of 61001208 is about 393.6523168114.

The spelling of 61001208 in words is "sixty-one million, one thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 282413 564826 847239 1129652 1694478 2259304 2541717 3388956 5083434 6777912 7625151 10166868 15250302 20333736 30500604 61001208