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2742750 = 232532353
BaseRepresentation
bin1010011101100111011110
312011100100100
422131213132
51200232000
6134441530
732212233
oct12354736
95140310
102742750
11160373a
12b032a6
1375053a
1451578a
15392a00
hex29d9de

2742750 has 96 divisors (see below), whose sum is σ = 7884864. Its totient is φ = 686400.

The previous prime is 2742749. The next prime is 2742757. The reversal of 2742750 is 572472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2742757) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51724 + ... + 51776.

It is an arithmetic number, because the mean of its divisors is an integer number (82134).

22742750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2742750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3942432).

2742750 is an abundant number, since it is smaller than the sum of its proper divisors (5142114).

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

2742750 is a wasteful number, since it uses less digits than its factorization.

2742750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 2742750 is about 1656.1249952827. The cubic root of 2742750 is about 139.9787382678.

The spelling of 2742750 in words is "two million, seven hundred forty-two thousand, seven hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 23 25 30 45 46 50 53 69 75 90 106 115 125 138 150 159 207 225 230 250 265 318 345 375 414 450 477 530 575 690 750 795 954 1035 1125 1150 1219 1325 1590 1725 2070 2250 2385 2438 2650 2875 3450 3657 3975 4770 5175 5750 6095 6625 7314 7950 8625 10350 10971 11925 12190 13250 17250 18285 19875 21942 23850 25875 30475 36570 39750 51750 54855 59625 60950 91425 109710 119250 152375 182850 274275 304750 457125 548550 914250 1371375 2742750