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42077100 = 223521310789
BaseRepresentation
bin1010000010000…
…0101110101100
32221011201221010
42200200232230
541232431400
64101505220
71020435522
oct240405654
987151833
1042077100
112182a16a
1212112210
1389430c0
145834312
153a62450
hex2820bac

42077100 has 72 divisors (see below), whose sum is σ = 131120080. Its totient is φ = 10356480.

The previous prime is 42077083. The next prime is 42077117. The reversal of 42077100 is 177024.

It is an interprime number because it is at equal distance from previous prime (42077083) and next prime (42077117).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1495 + ... + 9294.

Almost surely, 242077100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42077100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65560040).

42077100 is an abundant number, since it is smaller than the sum of its proper divisors (89042980).

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

42077100 is a wasteful number, since it uses less digits than its factorization.

42077100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10819 (or 10812 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 42077100 is about 6486.6863651636. The cubic root of 42077100 is about 347.8152341949.

The spelling of 42077100 in words is "forty-two million, seventy-seven thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 25 26 30 39 50 52 60 65 75 78 100 130 150 156 195 260 300 325 390 650 780 975 1300 1950 3900 10789 21578 32367 43156 53945 64734 107890 129468 140257 161835 215780 269725 280514 323670 420771 539450 561028 647340 701285 809175 841542 1078900 1402570 1618350 1683084 2103855 2805140 3236700 3506425 4207710 7012850 8415420 10519275 14025700 21038550 42077100